Home / 67,678.96-93,385.92-42,510.64

Finding the Fourth Proportional to 67,678.96, 93,385.92 and 42,510.64

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Solution

The fourth proportional to 67,678.96, 93,385.92 and 42,510.64 is: 58,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,678.96 : 93,385.92 = 42,510.64 : x
  2. Step 2: Convert to fraction form
    67,678.96/93,385.92 = 42,510.64/x
  3. Step 3: Cross multiply
    67,678.96x = 93,385.92 × 42,510.64
  4. Step 4: Simplify right side
    67,678.96x = 3,969,895,226.19
  5. Step 5: Solve for x
    x = 3,969,895,226.19/67,678.96
  6. Step 6: Final answer
    x = 58,657.75

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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.