Home / 91,112.02-125,737.71-52,868.68

Finding the Fourth Proportional to 91,112.02, 125,737.71 and 52,868.68

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Solution

The fourth proportional to 91,112.02, 125,737.71 and 52,868.68 is: 72,960.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,112.02 : 125,737.71 = 52,868.68 : x
  2. Step 2: Convert to fraction form
    91,112.02/125,737.71 = 52,868.68/x
  3. Step 3: Cross multiply
    91,112.02x = 125,737.71 × 52,868.68
  4. Step 4: Simplify right side
    91,112.02x = 6,647,586,753.92
  5. Step 5: Solve for x
    x = 6,647,586,753.92/91,112.02
  6. Step 6: Final answer
    x = 72,960.59

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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.