Home / 104,047.30-143,585.78-58,727.20

Finding the Fourth Proportional to 104,047.30, 143,585.78 and 58,727.20

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Solution

The fourth proportional to 104,047.30, 143,585.78 and 58,727.20 is: 81,043.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,047.30 : 143,585.78 = 58,727.20 : x
  2. Step 2: Convert to fraction form
    104,047.30/143,585.78 = 58,727.20/x
  3. Step 3: Cross multiply
    104,047.30x = 143,585.78 × 58,727.20
  4. Step 4: Simplify right side
    104,047.30x = 8,432,390,819.22
  5. Step 5: Solve for x
    x = 8,432,390,819.22/104,047.30
  6. Step 6: Final answer
    x = 81,043.82

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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.