Home / 90,044.01-124,257.39-49,756.94

Finding the Fourth Proportional to 90,044.01, 124,257.39 and 49,756.94

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Solution

The fourth proportional to 90,044.01, 124,257.39 and 49,756.94 is: 68,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,044.01 : 124,257.39 = 49,756.94 : x
  2. Step 2: Convert to fraction form
    90,044.01/124,257.39 = 49,756.94/x
  3. Step 3: Cross multiply
    90,044.01x = 124,257.39 × 49,756.94
  4. Step 4: Simplify right side
    90,044.01x = 6,182,666,877.50
  5. Step 5: Solve for x
    x = 6,182,666,877.50/90,044.01
  6. Step 6: Final answer
    x = 68,662.72

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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.