Home / 84,379.25-126,569.01-34,459.35

Finding the Fourth Proportional to 84,379.25, 126,569.01 and 34,459.35

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Solution

The fourth proportional to 84,379.25, 126,569.01 and 34,459.35 is: 51,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,379.25 : 126,569.01 = 34,459.35 : x
  2. Step 2: Convert to fraction form
    84,379.25/126,569.01 = 34,459.35/x
  3. Step 3: Cross multiply
    84,379.25x = 126,569.01 × 34,459.35
  4. Step 4: Simplify right side
    84,379.25x = 4,361,485,814.74
  5. Step 5: Solve for x
    x = 4,361,485,814.74/84,379.25
  6. Step 6: Final answer
    x = 51,689.08

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1.5x scale

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.