Home / 107,112.83-147,812.59-58,713.75

Finding the Fourth Proportional to 107,112.83, 147,812.59 and 58,713.75

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Solution

The fourth proportional to 107,112.83, 147,812.59 and 58,713.75 is: 81,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,112.83 : 147,812.59 = 58,713.75 : x
  2. Step 2: Convert to fraction form
    107,112.83/147,812.59 = 58,713.75/x
  3. Step 3: Cross multiply
    107,112.83x = 147,812.59 × 58,713.75
  4. Step 4: Simplify right side
    107,112.83x = 8,678,631,456.11
  5. Step 5: Solve for x
    x = 8,678,631,456.11/107,112.83
  6. Step 6: Final answer
    x = 81,023.27

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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.