Home / 81,049.74-121,574.61-34,303.02

Finding the Fourth Proportional to 81,049.74, 121,574.61 and 34,303.02

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Solution

The fourth proportional to 81,049.74, 121,574.61 and 34,303.02 is: 51,454.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,049.74 : 121,574.61 = 34,303.02 : x
  2. Step 2: Convert to fraction form
    81,049.74/121,574.61 = 34,303.02/x
  3. Step 3: Cross multiply
    81,049.74x = 121,574.61 × 34,303.02
  4. Step 4: Simplify right side
    81,049.74x = 4,170,376,278.32
  5. Step 5: Solve for x
    x = 4,170,376,278.32/81,049.74
  6. Step 6: Final answer
    x = 51,454.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.