Home / 67,446.19-93,079.90-38,775.03

Finding the Fourth Proportional to 67,446.19, 93,079.90 and 38,775.03

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Solution

The fourth proportional to 67,446.19, 93,079.90 and 38,775.03 is: 53,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,446.19 : 93,079.90 = 38,775.03 : x
  2. Step 2: Convert to fraction form
    67,446.19/93,079.90 = 38,775.03/x
  3. Step 3: Cross multiply
    67,446.19x = 93,079.90 × 38,775.03
  4. Step 4: Simplify right side
    67,446.19x = 3,609,175,914.90
  5. Step 5: Solve for x
    x = 3,609,175,914.90/67,446.19
  6. Step 6: Final answer
    x = 53,511.93

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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.