Home / 79,420.14-109,601.71-43,123.13

Finding the Fourth Proportional to 79,420.14, 109,601.71 and 43,123.13

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Solution

The fourth proportional to 79,420.14, 109,601.71 and 43,123.13 is: 59,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,420.14 : 109,601.71 = 43,123.13 : x
  2. Step 2: Convert to fraction form
    79,420.14/109,601.71 = 43,123.13/x
  3. Step 3: Cross multiply
    79,420.14x = 109,601.71 × 43,123.13
  4. Step 4: Simplify right side
    79,420.14x = 4,726,368,543.74
  5. Step 5: Solve for x
    x = 4,726,368,543.74/79,420.14
  6. Step 6: Final answer
    x = 59,510.96

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1.5x scale

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.