Home / 124,864.13-172,313.07-68,275.46

Finding the Fourth Proportional to 124,864.13, 172,313.07 and 68,275.46

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Solution

The fourth proportional to 124,864.13, 172,313.07 and 68,275.46 is: 94,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,864.13 : 172,313.07 = 68,275.46 : x
  2. Step 2: Convert to fraction form
    124,864.13/172,313.07 = 68,275.46/x
  3. Step 3: Cross multiply
    124,864.13x = 172,313.07 × 68,275.46
  4. Step 4: Simplify right side
    124,864.13x = 11,764,754,118.26
  5. Step 5: Solve for x
    x = 11,764,754,118.26/124,864.13
  6. Step 6: Final answer
    x = 94,220.45

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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.