Home / 90,340.23-124,673.79-54,529.49

Finding the Fourth Proportional to 90,340.23, 124,673.79 and 54,529.49

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Solution

The fourth proportional to 90,340.23, 124,673.79 and 54,529.49 is: 75,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,340.23 : 124,673.79 = 54,529.49 : x
  2. Step 2: Convert to fraction form
    90,340.23/124,673.79 = 54,529.49/x
  3. Step 3: Cross multiply
    90,340.23x = 124,673.79 × 54,529.49
  4. Step 4: Simplify right side
    90,340.23x = 6,798,397,561.70
  5. Step 5: Solve for x
    x = 6,798,397,561.70/90,340.23
  6. Step 6: Final answer
    x = 75,253.27

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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.