Home / 63,865.62-88,220.61-57,904.02

Finding the Fourth Proportional to 63,865.62, 88,220.61 and 57,904.02

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Solution

The fourth proportional to 63,865.62, 88,220.61 and 57,904.02 is: 79,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,865.62 : 88,220.61 = 57,904.02 : x
  2. Step 2: Convert to fraction form
    63,865.62/88,220.61 = 57,904.02/x
  3. Step 3: Cross multiply
    63,865.62x = 88,220.61 × 57,904.02
  4. Step 4: Simplify right side
    63,865.62x = 5,108,327,965.85
  5. Step 5: Solve for x
    x = 5,108,327,965.85/63,865.62
  6. Step 6: Final answer
    x = 79,985.57

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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.