Home / 90,274.72-124,586.76-49,998.28

Finding the Fourth Proportional to 90,274.72, 124,586.76 and 49,998.28

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Solution

The fourth proportional to 90,274.72, 124,586.76 and 49,998.28 is: 69,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,274.72 : 124,586.76 = 49,998.28 : x
  2. Step 2: Convert to fraction form
    90,274.72/124,586.76 = 49,998.28/x
  3. Step 3: Cross multiply
    90,274.72x = 124,586.76 × 49,998.28
  4. Step 4: Simplify right side
    90,274.72x = 6,229,123,710.77
  5. Step 5: Solve for x
    x = 6,229,123,710.77/90,274.72
  6. Step 6: Final answer
    x = 69,001.86

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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.