Home / 90,830.97-136,255.73-34,718.30

Finding the Fourth Proportional to 90,830.97, 136,255.73 and 34,718.30

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Solution

The fourth proportional to 90,830.97, 136,255.73 and 34,718.30 is: 52,081.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,830.97 : 136,255.73 = 34,718.30 : x
  2. Step 2: Convert to fraction form
    90,830.97/136,255.73 = 34,718.30/x
  3. Step 3: Cross multiply
    90,830.97x = 136,255.73 × 34,718.30
  4. Step 4: Simplify right side
    90,830.97x = 4,730,567,477.91
  5. Step 5: Solve for x
    x = 4,730,567,477.91/90,830.97
  6. Step 6: Final answer
    x = 52,081.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.