Home / 103,529.66-142,869.50-57,588.87

Finding the Fourth Proportional to 103,529.66, 142,869.50 and 57,588.87

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Solution

The fourth proportional to 103,529.66, 142,869.50 and 57,588.87 is: 79,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,529.66 : 142,869.50 = 57,588.87 : x
  2. Step 2: Convert to fraction form
    103,529.66/142,869.50 = 57,588.87/x
  3. Step 3: Cross multiply
    103,529.66x = 142,869.50 × 57,588.87
  4. Step 4: Simplify right side
    103,529.66x = 8,227,693,364.27
  5. Step 5: Solve for x
    x = 8,227,693,364.27/103,529.66
  6. Step 6: Final answer
    x = 79,471.85

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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.