Home / 90,116.08-124,355.16-49,827.42

Finding the Fourth Proportional to 90,116.08, 124,355.16 and 49,827.42

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Solution

The fourth proportional to 90,116.08, 124,355.16 and 49,827.42 is: 68,759.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,116.08 : 124,355.16 = 49,827.42 : x
  2. Step 2: Convert to fraction form
    90,116.08/124,355.16 = 49,827.42/x
  3. Step 3: Cross multiply
    90,116.08x = 124,355.16 × 49,827.42
  4. Step 4: Simplify right side
    90,116.08x = 6,196,296,786.49
  5. Step 5: Solve for x
    x = 6,196,296,786.49/90,116.08
  6. Step 6: Final answer
    x = 68,759.06

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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.