Home / 90,247.48-124,541.76-49,962.40

Finding the Fourth Proportional to 90,247.48, 124,541.76 and 49,962.40

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Solution

The fourth proportional to 90,247.48, 124,541.76 and 49,962.40 is: 68,948.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,247.48 : 124,541.76 = 49,962.40 : x
  2. Step 2: Convert to fraction form
    90,247.48/124,541.76 = 49,962.40/x
  3. Step 3: Cross multiply
    90,247.48x = 124,541.76 × 49,962.40
  4. Step 4: Simplify right side
    90,247.48x = 6,222,405,229.82
  5. Step 5: Solve for x
    x = 6,222,405,229.82/90,247.48
  6. Step 6: Final answer
    x = 68,948.24

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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.