Home / 65,165.24-97,693.14-45,385.40

Finding the Fourth Proportional to 65,165.24, 97,693.14 and 45,385.40

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Solution

The fourth proportional to 65,165.24, 97,693.14 and 45,385.40 is: 68,039.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,165.24 : 97,693.14 = 45,385.40 : x
  2. Step 2: Convert to fraction form
    65,165.24/97,693.14 = 45,385.40/x
  3. Step 3: Cross multiply
    65,165.24x = 97,693.14 × 45,385.40
  4. Step 4: Simplify right side
    65,165.24x = 4,433,842,236.16
  5. Step 5: Solve for x
    x = 4,433,842,236.16/65,165.24
  6. Step 6: Final answer
    x = 68,039.99

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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.