Home / 62,158.05-85,755.60-40,660.06

Finding the Fourth Proportional to 62,158.05, 85,755.60 and 40,660.06

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Solution

The fourth proportional to 62,158.05, 85,755.60 and 40,660.06 is: 56,096.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,158.05 : 85,755.60 = 40,660.06 : x
  2. Step 2: Convert to fraction form
    62,158.05/85,755.60 = 40,660.06/x
  3. Step 3: Cross multiply
    62,158.05x = 85,755.60 × 40,660.06
  4. Step 4: Simplify right side
    62,158.05x = 3,486,827,841.34
  5. Step 5: Solve for x
    x = 3,486,827,841.34/62,158.05
  6. Step 6: Final answer
    x = 56,096.16

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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.