Home / 52,115.16-71,919.18-29,458.20

Finding the Fourth Proportional to 52,115.16, 71,919.18 and 29,458.20

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Solution

The fourth proportional to 52,115.16, 71,919.18 and 29,458.20 is: 40,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,115.16 : 71,919.18 = 29,458.20 : x
  2. Step 2: Convert to fraction form
    52,115.16/71,919.18 = 29,458.20/x
  3. Step 3: Cross multiply
    52,115.16x = 71,919.18 × 29,458.20
  4. Step 4: Simplify right side
    52,115.16x = 2,118,609,588.28
  5. Step 5: Solve for x
    x = 2,118,609,588.28/52,115.16
  6. Step 6: Final answer
    x = 40,652.46

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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.