Home / 80,950.38-111,661.02-52,259.01

Finding the Fourth Proportional to 80,950.38, 111,661.02 and 52,259.01

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Solution

The fourth proportional to 80,950.38, 111,661.02 and 52,259.01 is: 72,084.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,950.38 : 111,661.02 = 52,259.01 : x
  2. Step 2: Convert to fraction form
    80,950.38/111,661.02 = 52,259.01/x
  3. Step 3: Cross multiply
    80,950.38x = 111,661.02 × 52,259.01
  4. Step 4: Simplify right side
    80,950.38x = 5,835,294,360.79
  5. Step 5: Solve for x
    x = 5,835,294,360.79/80,950.38
  6. Step 6: Final answer
    x = 72,084.83

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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.