Home / 67,779.46-93,418.82-45,077.84

Finding the Fourth Proportional to 67,779.46, 93,418.82 and 45,077.84

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Solution

The fourth proportional to 67,779.46, 93,418.82 and 45,077.84 is: 62,129.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,779.46 : 93,418.82 = 45,077.84 : x
  2. Step 2: Convert to fraction form
    67,779.46/93,418.82 = 45,077.84/x
  3. Step 3: Cross multiply
    67,779.46x = 93,418.82 × 45,077.84
  4. Step 4: Simplify right side
    67,779.46x = 4,211,118,620.95
  5. Step 5: Solve for x
    x = 4,211,118,620.95/67,779.46
  6. Step 6: Final answer
    x = 62,129.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.