Home / 90,062.10-124,277.07-49,769.34

Finding the Fourth Proportional to 90,062.10, 124,277.07 and 49,769.34

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Solution

The fourth proportional to 90,062.10, 124,277.07 and 49,769.34 is: 68,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,062.10 : 124,277.07 = 49,769.34 : x
  2. Step 2: Convert to fraction form
    90,062.10/124,277.07 = 49,769.34/x
  3. Step 3: Cross multiply
    90,062.10x = 124,277.07 × 49,769.34
  4. Step 4: Simplify right side
    90,062.10x = 6,185,187,751.03
  5. Step 5: Solve for x
    x = 6,185,187,751.03/90,062.10
  6. Step 6: Final answer
    x = 68,676.92

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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.