Home / 102,592.17-141,559.65-57,267.81

Finding the Fourth Proportional to 102,592.17, 141,559.65 and 57,267.81

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Solution

The fourth proportional to 102,592.17, 141,559.65 and 57,267.81 is: 79,019.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,592.17 : 141,559.65 = 57,267.81 : x
  2. Step 2: Convert to fraction form
    102,592.17/141,559.65 = 57,267.81/x
  3. Step 3: Cross multiply
    102,592.17x = 141,559.65 × 57,267.81
  4. Step 4: Simplify right side
    102,592.17x = 8,106,811,139.87
  5. Step 5: Solve for x
    x = 8,106,811,139.87/102,592.17
  6. Step 6: Final answer
    x = 79,019.78

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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.