Home / 90,948.18-125,491.83-50,660.94

Finding the Fourth Proportional to 90,948.18, 125,491.83 and 50,660.94

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Solution

The fourth proportional to 90,948.18, 125,491.83 and 50,660.94 is: 69,902.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,948.18 : 125,491.83 = 50,660.94 : x
  2. Step 2: Convert to fraction form
    90,948.18/125,491.83 = 50,660.94/x
  3. Step 3: Cross multiply
    90,948.18x = 125,491.83 × 50,660.94
  4. Step 4: Simplify right side
    90,948.18x = 6,357,534,070.12
  5. Step 5: Solve for x
    x = 6,357,534,070.12/90,948.18
  6. Step 6: Final answer
    x = 69,902.82

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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.