Home / 90,763.31-125,234.88-53,030.27

Finding the Fourth Proportional to 90,763.31, 125,234.88 and 53,030.27

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Solution

The fourth proportional to 90,763.31, 125,234.88 and 53,030.27 is: 73,170.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,763.31 : 125,234.88 = 53,030.27 : x
  2. Step 2: Convert to fraction form
    90,763.31/125,234.88 = 53,030.27/x
  3. Step 3: Cross multiply
    90,763.31x = 125,234.88 × 53,030.27
  4. Step 4: Simplify right side
    90,763.31x = 6,641,239,499.82
  5. Step 5: Solve for x
    x = 6,641,239,499.82/90,763.31
  6. Step 6: Final answer
    x = 73,170.97

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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.