Home / 125,037.18-172,551.60-68,452.20

Finding the Fourth Proportional to 125,037.18, 172,551.60 and 68,452.20

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Solution

The fourth proportional to 125,037.18, 172,551.60 and 68,452.20 is: 94,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,037.18 : 172,551.60 = 68,452.20 : x
  2. Step 2: Convert to fraction form
    125,037.18/172,551.60 = 68,452.20/x
  3. Step 3: Cross multiply
    125,037.18x = 172,551.60 × 68,452.20
  4. Step 4: Simplify right side
    125,037.18x = 11,811,536,633.52
  5. Step 5: Solve for x
    x = 11,811,536,633.52/125,037.18
  6. Step 6: Final answer
    x = 94,464.20

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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.