Home / 90,510.14-124,902.08-50,223.02

Finding the Fourth Proportional to 90,510.14, 124,902.08 and 50,223.02

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Solution

The fourth proportional to 90,510.14, 124,902.08 and 50,223.02 is: 69,306.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,510.14 : 124,902.08 = 50,223.02 : x
  2. Step 2: Convert to fraction form
    90,510.14/124,902.08 = 50,223.02/x
  3. Step 3: Cross multiply
    90,510.14x = 124,902.08 × 50,223.02
  4. Step 4: Simplify right side
    90,510.14x = 6,272,959,661.88
  5. Step 5: Solve for x
    x = 6,272,959,661.88/90,510.14
  6. Step 6: Final answer
    x = 69,306.71

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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.