Home / 90,176.22-124,435.35-49,889.34

Finding the Fourth Proportional to 90,176.22, 124,435.35 and 49,889.34

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Solution

The fourth proportional to 90,176.22, 124,435.35 and 49,889.34 is: 68,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,176.22 : 124,435.35 = 49,889.34 : x
  2. Step 2: Convert to fraction form
    90,176.22/124,435.35 = 49,889.34/x
  3. Step 3: Cross multiply
    90,176.22x = 124,435.35 × 49,889.34
  4. Step 4: Simplify right side
    90,176.22x = 6,207,997,484.17
  5. Step 5: Solve for x
    x = 6,207,997,484.17/90,176.22
  6. Step 6: Final answer
    x = 68,842.96

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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.