Home / 91,930.10-137,797.05-52,402.10

Finding the Fourth Proportional to 91,930.10, 137,797.05 and 52,402.10

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Solution

The fourth proportional to 91,930.10, 137,797.05 and 52,402.10 is: 78,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,930.10 : 137,797.05 = 52,402.10 : x
  2. Step 2: Convert to fraction form
    91,930.10/137,797.05 = 52,402.10/x
  3. Step 3: Cross multiply
    91,930.10x = 137,797.05 × 52,402.10
  4. Step 4: Simplify right side
    91,930.10x = 7,220,854,793.81
  5. Step 5: Solve for x
    x = 7,220,854,793.81/91,930.10
  6. Step 6: Final answer
    x = 78,547.23

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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.