Home / 89,242.56-133,685.31-53,684.28

Finding the Fourth Proportional to 89,242.56, 133,685.31 and 53,684.28

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Solution

The fourth proportional to 89,242.56, 133,685.31 and 53,684.28 is: 80,419.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,242.56 : 133,685.31 = 53,684.28 : x
  2. Step 2: Convert to fraction form
    89,242.56/133,685.31 = 53,684.28/x
  3. Step 3: Cross multiply
    89,242.56x = 133,685.31 × 53,684.28
  4. Step 4: Simplify right side
    89,242.56x = 7,176,799,613.93
  5. Step 5: Solve for x
    x = 7,176,799,613.93/89,242.56
  6. Step 6: Final answer
    x = 80,419.02

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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.