Home / 126,054.24-173,939.04-72,332.16

Finding the Fourth Proportional to 126,054.24, 173,939.04 and 72,332.16

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Solution

The fourth proportional to 126,054.24, 173,939.04 and 72,332.16 is: 99,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,054.24 : 173,939.04 = 72,332.16 : x
  2. Step 2: Convert to fraction form
    126,054.24/173,939.04 = 72,332.16/x
  3. Step 3: Cross multiply
    126,054.24x = 173,939.04 × 72,332.16
  4. Step 4: Simplify right side
    126,054.24x = 12,581,386,471.53
  5. Step 5: Solve for x
    x = 12,581,386,471.53/126,054.24
  6. Step 6: Final answer
    x = 99,809.31

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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.