Home / 72,386.56-108,585.60-30,833.92

Finding the Fourth Proportional to 72,386.56, 108,585.60 and 30,833.92

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Solution

The fourth proportional to 72,386.56, 108,585.60 and 30,833.92 is: 46,253.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,386.56 : 108,585.60 = 30,833.92 : x
  2. Step 2: Convert to fraction form
    72,386.56/108,585.60 = 30,833.92/x
  3. Step 3: Cross multiply
    72,386.56x = 108,585.60 × 30,833.92
  4. Step 4: Simplify right side
    72,386.56x = 3,348,119,703.55
  5. Step 5: Solve for x
    x = 3,348,119,703.55/72,386.56
  6. Step 6: Final answer
    x = 46,253.33

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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.