Home / 84,418.85-126,398.48-59,421.44

Finding the Fourth Proportional to 84,418.85, 126,398.48 and 59,421.44

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Solution

The fourth proportional to 84,418.85, 126,398.48 and 59,421.44 is: 88,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,418.85 : 126,398.48 = 59,421.44 : x
  2. Step 2: Convert to fraction form
    84,418.85/126,398.48 = 59,421.44/x
  3. Step 3: Cross multiply
    84,418.85x = 126,398.48 × 59,421.44
  4. Step 4: Simplify right side
    84,418.85x = 7,510,778,766.31
  5. Step 5: Solve for x
    x = 7,510,778,766.31/84,418.85
  6. Step 6: Final answer
    x = 88,970.40

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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.