Home / 92,295.15-138,350.72-39,000.57

Finding the Fourth Proportional to 92,295.15, 138,350.72 and 39,000.57

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Solution

The fourth proportional to 92,295.15, 138,350.72 and 39,000.57 is: 58,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,295.15 : 138,350.72 = 39,000.57 : x
  2. Step 2: Convert to fraction form
    92,295.15/138,350.72 = 39,000.57/x
  3. Step 3: Cross multiply
    92,295.15x = 138,350.72 × 39,000.57
  4. Step 4: Simplify right side
    92,295.15x = 5,395,757,037.41
  5. Step 5: Solve for x
    x = 5,395,757,037.41/92,295.15
  6. Step 6: Final answer
    x = 58,461.98

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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.