Home / 124,975.31-172,465.20-67,614.48

Finding the Fourth Proportional to 124,975.31, 172,465.20 and 67,614.48

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Solution

The fourth proportional to 124,975.31, 172,465.20 and 67,614.48 is: 93,307.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,975.31 : 172,465.20 = 67,614.48 : x
  2. Step 2: Convert to fraction form
    124,975.31/172,465.20 = 67,614.48/x
  3. Step 3: Cross multiply
    124,975.31x = 172,465.20 × 67,614.48
  4. Step 4: Simplify right side
    124,975.31x = 11,661,144,816.10
  5. Step 5: Solve for x
    x = 11,661,144,816.10/124,975.31
  6. Step 6: Final answer
    x = 93,307.59

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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.