Home / 84,643.17-126,924.96-31,298.29

Finding the Fourth Proportional to 84,643.17, 126,924.96 and 31,298.29

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Solution

The fourth proportional to 84,643.17, 126,924.96 and 31,298.29 is: 46,932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,643.17 : 126,924.96 = 31,298.29 : x
  2. Step 2: Convert to fraction form
    84,643.17/126,924.96 = 31,298.29/x
  3. Step 3: Cross multiply
    84,643.17x = 126,924.96 × 31,298.29
  4. Step 4: Simplify right side
    84,643.17x = 3,972,534,206.32
  5. Step 5: Solve for x
    x = 3,972,534,206.32/84,643.17
  6. Step 6: Final answer
    x = 46,932.72

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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.