Home / 65,133.12-97,627.92-42,616.76

Finding the Fourth Proportional to 65,133.12, 97,627.92 and 42,616.76

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Solution

The fourth proportional to 65,133.12, 97,627.92 and 42,616.76 is: 63,878.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,133.12 : 97,627.92 = 42,616.76 : x
  2. Step 2: Convert to fraction form
    65,133.12/97,627.92 = 42,616.76/x
  3. Step 3: Cross multiply
    65,133.12x = 97,627.92 × 42,616.76
  4. Step 4: Simplify right side
    65,133.12x = 4,160,585,635.94
  5. Step 5: Solve for x
    x = 4,160,585,635.94/65,133.12
  6. Step 6: Final answer
    x = 63,878.19

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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.