Home / 90,042.10-124,260.75-53,764.83

Finding the Fourth Proportional to 90,042.10, 124,260.75 and 53,764.83

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Solution

The fourth proportional to 90,042.10, 124,260.75 and 53,764.83 is: 74,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,042.10 : 124,260.75 = 53,764.83 : x
  2. Step 2: Convert to fraction form
    90,042.10/124,260.75 = 53,764.83/x
  3. Step 3: Cross multiply
    90,042.10x = 124,260.75 × 53,764.83
  4. Step 4: Simplify right side
    90,042.10x = 6,680,858,099.42
  5. Step 5: Solve for x
    x = 6,680,858,099.42/90,042.10
  6. Step 6: Final answer
    x = 74,197.05

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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.