Home / 107,336.16-161,004.80-62,931.78

Finding the Fourth Proportional to 107,336.16, 161,004.80 and 62,931.78

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Solution

The fourth proportional to 107,336.16, 161,004.80 and 62,931.78 is: 94,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,336.16 : 161,004.80 = 62,931.78 : x
  2. Step 2: Convert to fraction form
    107,336.16/161,004.80 = 62,931.78/x
  3. Step 3: Cross multiply
    107,336.16x = 161,004.80 × 62,931.78
  4. Step 4: Simplify right side
    107,336.16x = 10,132,318,652.54
  5. Step 5: Solve for x
    x = 10,132,318,652.54/107,336.16
  6. Step 6: Final answer
    x = 94,398.00

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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.