Home / 85,498.04-128,248.88-29,337.70

Finding the Fourth Proportional to 85,498.04, 128,248.88 and 29,337.70

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Solution

The fourth proportional to 85,498.04, 128,248.88 and 29,337.70 is: 44,007.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,498.04 : 128,248.88 = 29,337.70 : x
  2. Step 2: Convert to fraction form
    85,498.04/128,248.88 = 29,337.70/x
  3. Step 3: Cross multiply
    85,498.04x = 128,248.88 × 29,337.70
  4. Step 4: Simplify right side
    85,498.04x = 3,762,527,166.78
  5. Step 5: Solve for x
    x = 3,762,527,166.78/85,498.04
  6. Step 6: Final answer
    x = 44,007.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.