Home / 59,341.20-81,914.50-38,931.04

Finding the Fourth Proportional to 59,341.20, 81,914.50 and 38,931.04

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Solution

The fourth proportional to 59,341.20, 81,914.50 and 38,931.04 is: 53,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,341.20 : 81,914.50 = 38,931.04 : x
  2. Step 2: Convert to fraction form
    59,341.20/81,914.50 = 38,931.04/x
  3. Step 3: Cross multiply
    59,341.20x = 81,914.50 × 38,931.04
  4. Step 4: Simplify right side
    59,341.20x = 3,189,016,676.08
  5. Step 5: Solve for x
    x = 3,189,016,676.08/59,341.20
  6. Step 6: Final answer
    x = 53,740.35

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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.