Home / 89,509.04-123,520.10-48,671.88

Finding the Fourth Proportional to 89,509.04, 123,520.10 and 48,671.88

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Solution

The fourth proportional to 89,509.04, 123,520.10 and 48,671.88 is: 67,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,509.04 : 123,520.10 = 48,671.88 : x
  2. Step 2: Convert to fraction form
    89,509.04/123,520.10 = 48,671.88/x
  3. Step 3: Cross multiply
    89,509.04x = 123,520.10 × 48,671.88
  4. Step 4: Simplify right side
    89,509.04x = 6,011,955,484.79
  5. Step 5: Solve for x
    x = 6,011,955,484.79/89,509.04
  6. Step 6: Final answer
    x = 67,165.90

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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.