Home / 99,486.24-137,282.64-57,035.04

Finding the Fourth Proportional to 99,486.24, 137,282.64 and 57,035.04

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Solution

The fourth proportional to 99,486.24, 137,282.64 and 57,035.04 is: 78,703.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,486.24 : 137,282.64 = 57,035.04 : x
  2. Step 2: Convert to fraction form
    99,486.24/137,282.64 = 57,035.04/x
  3. Step 3: Cross multiply
    99,486.24x = 137,282.64 × 57,035.04
  4. Step 4: Simplify right side
    99,486.24x = 7,829,920,863.71
  5. Step 5: Solve for x
    x = 7,829,920,863.71/99,486.24
  6. Step 6: Final answer
    x = 78,703.56

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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.