Home / 86,518.25-129,776.55-27,353.91

Finding the Fourth Proportional to 86,518.25, 129,776.55 and 27,353.91

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Solution

The fourth proportional to 86,518.25, 129,776.55 and 27,353.91 is: 41,030.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,518.25 : 129,776.55 = 27,353.91 : x
  2. Step 2: Convert to fraction form
    86,518.25/129,776.55 = 27,353.91/x
  3. Step 3: Cross multiply
    86,518.25x = 129,776.55 × 27,353.91
  4. Step 4: Simplify right side
    86,518.25x = 3,549,896,068.81
  5. Step 5: Solve for x
    x = 3,549,896,068.81/86,518.25
  6. Step 6: Final answer
    x = 41,030.61

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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.