Home / 90,110.48-124,347.45-49,821.82

Finding the Fourth Proportional to 90,110.48, 124,347.45 and 49,821.82

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Solution

The fourth proportional to 90,110.48, 124,347.45 and 49,821.82 is: 68,751.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,110.48 : 124,347.45 = 49,821.82 : x
  2. Step 2: Convert to fraction form
    90,110.48/124,347.45 = 49,821.82/x
  3. Step 3: Cross multiply
    90,110.48x = 124,347.45 × 49,821.82
  4. Step 4: Simplify right side
    90,110.48x = 6,195,216,426.40
  5. Step 5: Solve for x
    x = 6,195,216,426.40/90,110.48
  6. Step 6: Final answer
    x = 68,751.34

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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.