Home / 67,699.28-93,335.40-55,555.28

Finding the Fourth Proportional to 67,699.28, 93,335.40 and 55,555.28

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Solution

The fourth proportional to 67,699.28, 93,335.40 and 55,555.28 is: 76,592.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,699.28 : 93,335.40 = 55,555.28 : x
  2. Step 2: Convert to fraction form
    67,699.28/93,335.40 = 55,555.28/x
  3. Step 3: Cross multiply
    67,699.28x = 93,335.40 × 55,555.28
  4. Step 4: Simplify right side
    67,699.28x = 5,185,274,280.91
  5. Step 5: Solve for x
    x = 5,185,274,280.91/67,699.28
  6. Step 6: Final answer
    x = 76,592.75

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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.