Home / 86,332.16-129,518.26-27,166.28

Finding the Fourth Proportional to 86,332.16, 129,518.26 and 27,166.28

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Solution

The fourth proportional to 86,332.16, 129,518.26 and 27,166.28 is: 40,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,332.16 : 129,518.26 = 27,166.28 : x
  2. Step 2: Convert to fraction form
    86,332.16/129,518.26 = 27,166.28/x
  3. Step 3: Cross multiply
    86,332.16x = 129,518.26 × 27,166.28
  4. Step 4: Simplify right side
    86,332.16x = 3,518,529,316.27
  5. Step 5: Solve for x
    x = 3,518,529,316.27/86,332.16
  6. Step 6: Final answer
    x = 40,755.72

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.