Home / 90,304.50-124,618.84-49,468.32

Finding the Fourth Proportional to 90,304.50, 124,618.84 and 49,468.32

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Solution

The fourth proportional to 90,304.50, 124,618.84 and 49,468.32 is: 68,265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,304.50 : 124,618.84 = 49,468.32 : x
  2. Step 2: Convert to fraction form
    90,304.50/124,618.84 = 49,468.32/x
  3. Step 3: Cross multiply
    90,304.50x = 124,618.84 × 49,468.32
  4. Step 4: Simplify right side
    90,304.50x = 6,164,684,531.48
  5. Step 5: Solve for x
    x = 6,164,684,531.48/90,304.50
  6. Step 6: Final answer
    x = 68,265.53

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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.