Home / 102,531.24-153,580.68-65,071.56

Finding the Fourth Proportional to 102,531.24, 153,580.68 and 65,071.56

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Solution

The fourth proportional to 102,531.24, 153,580.68 and 65,071.56 is: 97,470.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,531.24 : 153,580.68 = 65,071.56 : x
  2. Step 2: Convert to fraction form
    102,531.24/153,580.68 = 65,071.56/x
  3. Step 3: Cross multiply
    102,531.24x = 153,580.68 × 65,071.56
  4. Step 4: Simplify right side
    102,531.24x = 9,993,734,433.46
  5. Step 5: Solve for x
    x = 9,993,734,433.46/102,531.24
  6. Step 6: Final answer
    x = 97,470.14

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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.