Home / 90,110.96-124,370.16-54,306.08

Finding the Fourth Proportional to 90,110.96, 124,370.16 and 54,306.08

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Solution

The fourth proportional to 90,110.96, 124,370.16 and 54,306.08 is: 74,952.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,110.96 : 124,370.16 = 54,306.08 : x
  2. Step 2: Convert to fraction form
    90,110.96/124,370.16 = 54,306.08/x
  3. Step 3: Cross multiply
    90,110.96x = 124,370.16 × 54,306.08
  4. Step 4: Simplify right side
    90,110.96x = 6,754,055,858.57
  5. Step 5: Solve for x
    x = 6,754,055,858.57/90,110.96
  6. Step 6: Final answer
    x = 74,952.66

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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.