Home / 61,739.20-92,655.65-40,672.05

Finding the Fourth Proportional to 61,739.20, 92,655.65 and 40,672.05

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Solution

The fourth proportional to 61,739.20, 92,655.65 and 40,672.05 is: 61,038.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,739.20 : 92,655.65 = 40,672.05 : x
  2. Step 2: Convert to fraction form
    61,739.20/92,655.65 = 40,672.05/x
  3. Step 3: Cross multiply
    61,739.20x = 92,655.65 × 40,672.05
  4. Step 4: Simplify right side
    61,739.20x = 3,768,495,229.58
  5. Step 5: Solve for x
    x = 3,768,495,229.58/61,739.20
  6. Step 6: Final answer
    x = 61,038.94

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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.