Home / 52,419.95-72,337.03-28,546.49

Finding the Fourth Proportional to 52,419.95, 72,337.03 and 28,546.49

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Solution

The fourth proportional to 52,419.95, 72,337.03 and 28,546.49 is: 39,392.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,419.95 : 72,337.03 = 28,546.49 : x
  2. Step 2: Convert to fraction form
    52,419.95/72,337.03 = 28,546.49/x
  3. Step 3: Cross multiply
    52,419.95x = 72,337.03 × 28,546.49
  4. Step 4: Simplify right side
    52,419.95x = 2,064,967,870.47
  5. Step 5: Solve for x
    x = 2,064,967,870.47/52,419.95
  6. Step 6: Final answer
    x = 39,392.78

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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.