Home / 67,708.17-93,407.78-40,835.75

Finding the Fourth Proportional to 67,708.17, 93,407.78 and 40,835.75

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Solution

The fourth proportional to 67,708.17, 93,407.78 and 40,835.75 is: 56,335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,708.17 : 93,407.78 = 40,835.75 : x
  2. Step 2: Convert to fraction form
    67,708.17/93,407.78 = 40,835.75/x
  3. Step 3: Cross multiply
    67,708.17x = 93,407.78 × 40,835.75
  4. Step 4: Simplify right side
    67,708.17x = 3,814,376,387.19
  5. Step 5: Solve for x
    x = 3,814,376,387.19/67,708.17
  6. Step 6: Final answer
    x = 56,335.54

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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.