Home / 67,486.32-93,139.02-56,135.79

Finding the Fourth Proportional to 67,486.32, 93,139.02 and 56,135.79

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Solution

The fourth proportional to 67,486.32, 93,139.02 and 56,135.79 is: 77,473.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,486.32 : 93,139.02 = 56,135.79 : x
  2. Step 2: Convert to fraction form
    67,486.32/93,139.02 = 56,135.79/x
  3. Step 3: Cross multiply
    67,486.32x = 93,139.02 × 56,135.79
  4. Step 4: Simplify right side
    67,486.32x = 5,228,432,467.53
  5. Step 5: Solve for x
    x = 5,228,432,467.53/67,486.32
  6. Step 6: Final answer
    x = 77,473.96

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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.