Home / 107,172.66-147,892.28-58,774.56

Finding the Fourth Proportional to 107,172.66, 147,892.28 and 58,774.56

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Solution

The fourth proportional to 107,172.66, 147,892.28 and 58,774.56 is: 81,105.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,172.66 : 147,892.28 = 58,774.56 : x
  2. Step 2: Convert to fraction form
    107,172.66/147,892.28 = 58,774.56/x
  3. Step 3: Cross multiply
    107,172.66x = 147,892.28 × 58,774.56
  4. Step 4: Simplify right side
    107,172.66x = 8,692,303,684.40
  5. Step 5: Solve for x
    x = 8,692,303,684.40/107,172.66
  6. Step 6: Final answer
    x = 81,105.61

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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.