Home / 89,316.29-123,266.28-51,079.40

Finding the Fourth Proportional to 89,316.29, 123,266.28 and 51,079.40

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Solution

The fourth proportional to 89,316.29, 123,266.28 and 51,079.40 is: 70,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,316.29 : 123,266.28 = 51,079.40 : x
  2. Step 2: Convert to fraction form
    89,316.29/123,266.28 = 51,079.40/x
  3. Step 3: Cross multiply
    89,316.29x = 123,266.28 × 51,079.40
  4. Step 4: Simplify right side
    89,316.29x = 6,296,367,006.30
  5. Step 5: Solve for x
    x = 6,296,367,006.30/89,316.29
  6. Step 6: Final answer
    x = 70,495.17

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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.