Home / 90,549.62-124,952.55-50,261.42

Finding the Fourth Proportional to 90,549.62, 124,952.55 and 50,261.42

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Solution

The fourth proportional to 90,549.62, 124,952.55 and 50,261.42 is: 69,357.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,549.62 : 124,952.55 = 50,261.42 : x
  2. Step 2: Convert to fraction form
    90,549.62/124,952.55 = 50,261.42/x
  3. Step 3: Cross multiply
    90,549.62x = 124,952.55 × 50,261.42
  4. Step 4: Simplify right side
    90,549.62x = 6,280,292,595.62
  5. Step 5: Solve for x
    x = 6,280,292,595.62/90,549.62
  6. Step 6: Final answer
    x = 69,357.47

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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.