Home / 91,143.69-136,715.12-24,590.58

Finding the Fourth Proportional to 91,143.69, 136,715.12 and 24,590.58

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Solution

The fourth proportional to 91,143.69, 136,715.12 and 24,590.58 is: 36,885.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,143.69 : 136,715.12 = 24,590.58 : x
  2. Step 2: Convert to fraction form
    91,143.69/136,715.12 = 24,590.58/x
  3. Step 3: Cross multiply
    91,143.69x = 136,715.12 × 24,590.58
  4. Step 4: Simplify right side
    91,143.69x = 3,361,904,095.57
  5. Step 5: Solve for x
    x = 3,361,904,095.57/91,143.69
  6. Step 6: Final answer
    x = 36,885.76

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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.