Home / 72,298.24-107,966.24-71,516.32

Finding the Fourth Proportional to 72,298.24, 107,966.24 and 71,516.32

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Solution

The fourth proportional to 72,298.24, 107,966.24 and 71,516.32 is: 106,798.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,298.24 : 107,966.24 = 71,516.32 : x
  2. Step 2: Convert to fraction form
    72,298.24/107,966.24 = 71,516.32/x
  3. Step 3: Cross multiply
    72,298.24x = 107,966.24 × 71,516.32
  4. Step 4: Simplify right side
    72,298.24x = 7,721,348,169.04
  5. Step 5: Solve for x
    x = 7,721,348,169.04/72,298.24
  6. Step 6: Final answer
    x = 106,798.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.