Home / 58,032.72-80,080.20-39,195.36

Finding the Fourth Proportional to 58,032.72, 80,080.20 and 39,195.36

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Solution

The fourth proportional to 58,032.72, 80,080.20 and 39,195.36 is: 54,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,032.72 : 80,080.20 = 39,195.36 : x
  2. Step 2: Convert to fraction form
    58,032.72/80,080.20 = 39,195.36/x
  3. Step 3: Cross multiply
    58,032.72x = 80,080.20 × 39,195.36
  4. Step 4: Simplify right side
    58,032.72x = 3,138,772,267.87
  5. Step 5: Solve for x
    x = 3,138,772,267.87/58,032.72
  6. Step 6: Final answer
    x = 54,086.25

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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.