Home / 89,308.90-123,247.56-49,021.93

Finding the Fourth Proportional to 89,308.90, 123,247.56 and 49,021.93

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Solution

The fourth proportional to 89,308.90, 123,247.56 and 49,021.93 is: 67,650.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,308.90 : 123,247.56 = 49,021.93 : x
  2. Step 2: Convert to fraction form
    89,308.90/123,247.56 = 49,021.93/x
  3. Step 3: Cross multiply
    89,308.90x = 123,247.56 × 49,021.93
  4. Step 4: Simplify right side
    89,308.90x = 6,041,833,258.99
  5. Step 5: Solve for x
    x = 6,041,833,258.99/89,308.90
  6. Step 6: Final answer
    x = 67,650.96

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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.