Home / 84,487.18-126,714.63-25,322.84

Finding the Fourth Proportional to 84,487.18, 126,714.63 and 25,322.84

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Solution

The fourth proportional to 84,487.18, 126,714.63 and 25,322.84 is: 37,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,487.18 : 126,714.63 = 25,322.84 : x
  2. Step 2: Convert to fraction form
    84,487.18/126,714.63 = 25,322.84/x
  3. Step 3: Cross multiply
    84,487.18x = 126,714.63 × 25,322.84
  4. Step 4: Simplify right side
    84,487.18x = 3,208,774,808.05
  5. Step 5: Solve for x
    x = 3,208,774,808.05/84,487.18
  6. Step 6: Final answer
    x = 37,979.43

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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.