Home / 90,174.22-124,432.59-49,887.34

Finding the Fourth Proportional to 90,174.22, 124,432.59 and 49,887.34

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Solution

The fourth proportional to 90,174.22, 124,432.59 and 49,887.34 is: 68,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,174.22 : 124,432.59 = 49,887.34 : x
  2. Step 2: Convert to fraction form
    90,174.22/124,432.59 = 49,887.34/x
  3. Step 3: Cross multiply
    90,174.22x = 124,432.59 × 49,887.34
  4. Step 4: Simplify right side
    90,174.22x = 6,207,610,924.41
  5. Step 5: Solve for x
    x = 6,207,610,924.41/90,174.22
  6. Step 6: Final answer
    x = 68,840.20

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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.