Home / 53,217.60-73,440.80-29,345.12

Finding the Fourth Proportional to 53,217.60, 73,440.80 and 29,345.12

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Solution

The fourth proportional to 53,217.60, 73,440.80 and 29,345.12 is: 40,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217.60 : 73,440.80 = 29,345.12 : x
  2. Step 2: Convert to fraction form
    53,217.60/73,440.80 = 29,345.12/x
  3. Step 3: Cross multiply
    53,217.60x = 73,440.80 × 29,345.12
  4. Step 4: Simplify right side
    53,217.60x = 2,155,129,088.90
  5. Step 5: Solve for x
    x = 2,155,129,088.90/53,217.60
  6. Step 6: Final answer
    x = 40,496.55

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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.