Home / 90,060.83-124,273.16-49,769.11

Finding the Fourth Proportional to 90,060.83, 124,273.16 and 49,769.11

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Solution

The fourth proportional to 90,060.83, 124,273.16 and 49,769.11 is: 68,675.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,060.83 : 124,273.16 = 49,769.11 : x
  2. Step 2: Convert to fraction form
    90,060.83/124,273.16 = 49,769.11/x
  3. Step 3: Cross multiply
    90,060.83x = 124,273.16 × 49,769.11
  4. Step 4: Simplify right side
    90,060.83x = 6,184,964,570.09
  5. Step 5: Solve for x
    x = 6,184,964,570.09/90,060.83
  6. Step 6: Final answer
    x = 68,675.42

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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.