Home / 67,020.29-92,495.37-38,342.61

Finding the Fourth Proportional to 67,020.29, 92,495.37 and 38,342.61

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Solution

The fourth proportional to 67,020.29, 92,495.37 and 38,342.61 is: 52,917.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,020.29 : 92,495.37 = 38,342.61 : x
  2. Step 2: Convert to fraction form
    67,020.29/92,495.37 = 38,342.61/x
  3. Step 3: Cross multiply
    67,020.29x = 92,495.37 × 38,342.61
  4. Step 4: Simplify right side
    67,020.29x = 3,546,513,898.72
  5. Step 5: Solve for x
    x = 3,546,513,898.72/67,020.29
  6. Step 6: Final answer
    x = 52,917.02

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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.