Home / 65,306.88-97,937.28-28,350.72

Finding the Fourth Proportional to 65,306.88, 97,937.28 and 28,350.72

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Solution

The fourth proportional to 65,306.88, 97,937.28 and 28,350.72 is: 42,516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,306.88 : 97,937.28 = 28,350.72 : x
  2. Step 2: Convert to fraction form
    65,306.88/97,937.28 = 28,350.72/x
  3. Step 3: Cross multiply
    65,306.88x = 97,937.28 × 28,350.72
  4. Step 4: Simplify right side
    65,306.88x = 2,776,592,402.84
  5. Step 5: Solve for x
    x = 2,776,592,402.84/65,306.88
  6. Step 6: Final answer
    x = 42,516.08

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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.