Home / 86,299.32-129,454.56-27,137.28

Finding the Fourth Proportional to 86,299.32, 129,454.56 and 27,137.28

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Solution

The fourth proportional to 86,299.32, 129,454.56 and 27,137.28 is: 40,707.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,299.32 : 129,454.56 = 27,137.28 : x
  2. Step 2: Convert to fraction form
    86,299.32/129,454.56 = 27,137.28/x
  3. Step 3: Cross multiply
    86,299.32x = 129,454.56 × 27,137.28
  4. Step 4: Simplify right side
    86,299.32x = 3,513,044,642.00
  5. Step 5: Solve for x
    x = 3,513,044,642.00/86,299.32
  6. Step 6: Final answer
    x = 40,707.67

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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.