Home / 90,237.69-124,526.50-49,950.59

Finding the Fourth Proportional to 90,237.69, 124,526.50 and 49,950.59

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Solution

The fourth proportional to 90,237.69, 124,526.50 and 49,950.59 is: 68,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,237.69 : 124,526.50 = 49,950.59 : x
  2. Step 2: Convert to fraction form
    90,237.69/124,526.50 = 49,950.59/x
  3. Step 3: Cross multiply
    90,237.69x = 124,526.50 × 49,950.59
  4. Step 4: Simplify right side
    90,237.69x = 6,220,171,398.13
  5. Step 5: Solve for x
    x = 6,220,171,398.13/90,237.69
  6. Step 6: Final answer
    x = 68,930.97

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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.