Home / 99,574.60-149,358.12-40,394.38

Finding the Fourth Proportional to 99,574.60, 149,358.12 and 40,394.38

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Solution

The fourth proportional to 99,574.60, 149,358.12 and 40,394.38 is: 60,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,574.60 : 149,358.12 = 40,394.38 : x
  2. Step 2: Convert to fraction form
    99,574.60/149,358.12 = 40,394.38/x
  3. Step 3: Cross multiply
    99,574.60x = 149,358.12 × 40,394.38
  4. Step 4: Simplify right side
    99,574.60x = 6,033,228,655.37
  5. Step 5: Solve for x
    x = 6,033,228,655.37/99,574.60
  6. Step 6: Final answer
    x = 60,590.04

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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.