Home / 67,312.08-92,877.03-42,147

Finding the Fourth Proportional to 67,312.08, 92,877.03 and 42,147

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Solution

The fourth proportional to 67,312.08, 92,877.03 and 42,147 is: 58,154.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,312.08 : 92,877.03 = 42,147 : x
  2. Step 2: Convert to fraction form
    67,312.08/92,877.03 = 42,147/x
  3. Step 3: Cross multiply
    67,312.08x = 92,877.03 × 42,147
  4. Step 4: Simplify right side
    67,312.08x = 3,914,488,183.41
  5. Step 5: Solve for x
    x = 3,914,488,183.41/67,312.08
  6. Step 6: Final answer
    x = 58,154.32

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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.