Home / 79,916.40-119,948.22-40,501.08

Finding the Fourth Proportional to 79,916.40, 119,948.22 and 40,501.08

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Solution

The fourth proportional to 79,916.40, 119,948.22 and 40,501.08 is: 60,788.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,916.40 : 119,948.22 = 40,501.08 : x
  2. Step 2: Convert to fraction form
    79,916.40/119,948.22 = 40,501.08/x
  3. Step 3: Cross multiply
    79,916.40x = 119,948.22 × 40,501.08
  4. Step 4: Simplify right side
    79,916.40x = 4,858,032,454.08
  5. Step 5: Solve for x
    x = 4,858,032,454.08/79,916.40
  6. Step 6: Final answer
    x = 60,788.93

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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.