Home / 90,071.25-124,296.15-49,233.54

Finding the Fourth Proportional to 90,071.25, 124,296.15 and 49,233.54

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Solution

The fourth proportional to 90,071.25, 124,296.15 and 49,233.54 is: 67,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,071.25 : 124,296.15 = 49,233.54 : x
  2. Step 2: Convert to fraction form
    90,071.25/124,296.15 = 49,233.54/x
  3. Step 3: Cross multiply
    90,071.25x = 124,296.15 × 49,233.54
  4. Step 4: Simplify right side
    90,071.25x = 6,119,539,472.87
  5. Step 5: Solve for x
    x = 6,119,539,472.87/90,071.25
  6. Step 6: Final answer
    x = 67,941.10

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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.