Home / 75,001.50-112,446.72-45,412.38

Finding the Fourth Proportional to 75,001.50, 112,446.72 and 45,412.38

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Solution

The fourth proportional to 75,001.50, 112,446.72 and 45,412.38 is: 68,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,001.50 : 112,446.72 = 45,412.38 : x
  2. Step 2: Convert to fraction form
    75,001.50/112,446.72 = 45,412.38/x
  3. Step 3: Cross multiply
    75,001.50x = 112,446.72 × 45,412.38
  4. Step 4: Simplify right side
    75,001.50x = 5,106,473,178.39
  5. Step 5: Solve for x
    x = 5,106,473,178.39/75,001.50
  6. Step 6: Final answer
    x = 68,084.95

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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.