Home / 84,108.15-126,009.09-48,941.19

Finding the Fourth Proportional to 84,108.15, 126,009.09 and 48,941.19

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Solution

The fourth proportional to 84,108.15, 126,009.09 and 48,941.19 is: 73,322.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,108.15 : 126,009.09 = 48,941.19 : x
  2. Step 2: Convert to fraction form
    84,108.15/126,009.09 = 48,941.19/x
  3. Step 3: Cross multiply
    84,108.15x = 126,009.09 × 48,941.19
  4. Step 4: Simplify right side
    84,108.15x = 6,167,034,815.42
  5. Step 5: Solve for x
    x = 6,167,034,815.42/84,108.15
  6. Step 6: Final answer
    x = 73,322.68

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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.