Home / 91,269.38-125,904.57-57,754.82

Finding the Fourth Proportional to 91,269.38, 125,904.57 and 57,754.82

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Solution

The fourth proportional to 91,269.38, 125,904.57 and 57,754.82 is: 79,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,269.38 : 125,904.57 = 57,754.82 : x
  2. Step 2: Convert to fraction form
    91,269.38/125,904.57 = 57,754.82/x
  3. Step 3: Cross multiply
    91,269.38x = 125,904.57 × 57,754.82
  4. Step 4: Simplify right side
    91,269.38x = 7,271,595,777.53
  5. Step 5: Solve for x
    x = 7,271,595,777.53/91,269.38
  6. Step 6: Final answer
    x = 79,671.80

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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.