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Finding the Fourth Proportional to 88,708.40, 133,062.60 and 57,215.60

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Solution

The fourth proportional to 88,708.40, 133,062.60 and 57,215.60 is: 85,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,708.40 : 133,062.60 = 57,215.60 : x
  2. Step 2: Convert to fraction form
    88,708.40/133,062.60 = 57,215.60/x
  3. Step 3: Cross multiply
    88,708.40x = 133,062.60 × 57,215.60
  4. Step 4: Simplify right side
    88,708.40x = 7,613,256,496.56
  5. Step 5: Solve for x
    x = 7,613,256,496.56/88,708.40
  6. Step 6: Final answer
    x = 85,823.40

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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.