Home / 65,188.20-97,901.10-57,023.40

Finding the Fourth Proportional to 65,188.20, 97,901.10 and 57,023.40

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Solution

The fourth proportional to 65,188.20, 97,901.10 and 57,023.40 is: 85,639.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,188.20 : 97,901.10 = 57,023.40 : x
  2. Step 2: Convert to fraction form
    65,188.20/97,901.10 = 57,023.40/x
  3. Step 3: Cross multiply
    65,188.20x = 97,901.10 × 57,023.40
  4. Step 4: Simplify right side
    65,188.20x = 5,582,653,585.74
  5. Step 5: Solve for x
    x = 5,582,653,585.74/65,188.20
  6. Step 6: Final answer
    x = 85,639.02

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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.