Home / 56,140.16-77,478.16-32,275.04

Finding the Fourth Proportional to 56,140.16, 77,478.16 and 32,275.04

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Solution

The fourth proportional to 56,140.16, 77,478.16 and 32,275.04 is: 44,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,140.16 : 77,478.16 = 32,275.04 : x
  2. Step 2: Convert to fraction form
    56,140.16/77,478.16 = 32,275.04/x
  3. Step 3: Cross multiply
    56,140.16x = 77,478.16 × 32,275.04
  4. Step 4: Simplify right side
    56,140.16x = 2,500,610,713.13
  5. Step 5: Solve for x
    x = 2,500,610,713.13/56,140.16
  6. Step 6: Final answer
    x = 44,542.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.