Home / 79,569.12-119,123.28-59,930.40

Finding the Fourth Proportional to 79,569.12, 119,123.28 and 59,930.40

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Solution

The fourth proportional to 79,569.12, 119,123.28 and 59,930.40 is: 89,722.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,569.12 : 119,123.28 = 59,930.40 : x
  2. Step 2: Convert to fraction form
    79,569.12/119,123.28 = 59,930.40/x
  3. Step 3: Cross multiply
    79,569.12x = 119,123.28 × 59,930.40
  4. Step 4: Simplify right side
    79,569.12x = 7,139,105,819.71
  5. Step 5: Solve for x
    x = 7,139,105,819.71/79,569.12
  6. Step 6: Final answer
    x = 89,722.07

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1.5x scale

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.