Home / 79,428.47-119,117.46-26,108.15

Finding the Fourth Proportional to 79,428.47, 119,117.46 and 26,108.15

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Solution

The fourth proportional to 79,428.47, 119,117.46 and 26,108.15 is: 39,153.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,428.47 : 119,117.46 = 26,108.15 : x
  2. Step 2: Convert to fraction form
    79,428.47/119,117.46 = 26,108.15/x
  3. Step 3: Cross multiply
    79,428.47x = 119,117.46 × 26,108.15
  4. Step 4: Simplify right side
    79,428.47x = 3,109,935,917.71
  5. Step 5: Solve for x
    x = 3,109,935,917.71/79,428.47
  6. Step 6: Final answer
    x = 39,153.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.