Home / 124,275.86-171,502.68-67,687.23

Finding the Fourth Proportional to 124,275.86, 171,502.68 and 67,687.23

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Solution

The fourth proportional to 124,275.86, 171,502.68 and 67,687.23 is: 93,409.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,275.86 : 171,502.68 = 67,687.23 : x
  2. Step 2: Convert to fraction form
    124,275.86/171,502.68 = 67,687.23/x
  3. Step 3: Cross multiply
    124,275.86x = 171,502.68 × 67,687.23
  4. Step 4: Simplify right side
    124,275.86x = 11,608,541,346.78
  5. Step 5: Solve for x
    x = 11,608,541,346.78/124,275.86
  6. Step 6: Final answer
    x = 93,409.47

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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.