Home / 65,013.95-89,711.30-36,335.15

Finding the Fourth Proportional to 65,013.95, 89,711.30 and 36,335.15

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Solution

The fourth proportional to 65,013.95, 89,711.30 and 36,335.15 is: 50,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,013.95 : 89,711.30 = 36,335.15 : x
  2. Step 2: Convert to fraction form
    65,013.95/89,711.30 = 36,335.15/x
  3. Step 3: Cross multiply
    65,013.95x = 89,711.30 × 36,335.15
  4. Step 4: Simplify right side
    65,013.95x = 3,259,672,911.96
  5. Step 5: Solve for x
    x = 3,259,672,911.96/65,013.95
  6. Step 6: Final answer
    x = 50,138.06

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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.