Home / 74,189.28-102,416.68-42,352.02

Finding the Fourth Proportional to 74,189.28, 102,416.68 and 42,352.02

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Solution

The fourth proportional to 74,189.28, 102,416.68 and 42,352.02 is: 58,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,189.28 : 102,416.68 = 42,352.02 : x
  2. Step 2: Convert to fraction form
    74,189.28/102,416.68 = 42,352.02/x
  3. Step 3: Cross multiply
    74,189.28x = 102,416.68 × 42,352.02
  4. Step 4: Simplify right side
    74,189.28x = 4,337,553,716.70
  5. Step 5: Solve for x
    x = 4,337,553,716.70/74,189.28
  6. Step 6: Final answer
    x = 58,466.05

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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.