Home / 51,186.01-70,609.71-35,242.78

Finding the Fourth Proportional to 51,186.01, 70,609.71 and 35,242.78

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Solution

The fourth proportional to 51,186.01, 70,609.71 and 35,242.78 is: 48,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,186.01 : 70,609.71 = 35,242.78 : x
  2. Step 2: Convert to fraction form
    51,186.01/70,609.71 = 35,242.78/x
  3. Step 3: Cross multiply
    51,186.01x = 70,609.71 × 35,242.78
  4. Step 4: Simplify right side
    51,186.01x = 2,488,482,475.39
  5. Step 5: Solve for x
    x = 2,488,482,475.39/51,186.01
  6. Step 6: Final answer
    x = 48,616.46

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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.