Home / 75,553.40-113,330.10-62,420.60

Finding the Fourth Proportional to 75,553.40, 113,330.10 and 62,420.60

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Solution

The fourth proportional to 75,553.40, 113,330.10 and 62,420.60 is: 93,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,553.40 : 113,330.10 = 62,420.60 : x
  2. Step 2: Convert to fraction form
    75,553.40/113,330.10 = 62,420.60/x
  3. Step 3: Cross multiply
    75,553.40x = 113,330.10 × 62,420.60
  4. Step 4: Simplify right side
    75,553.40x = 7,074,132,840.06
  5. Step 5: Solve for x
    x = 7,074,132,840.06/75,553.40
  6. Step 6: Final answer
    x = 93,630.90

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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.