Home / 107,018.96-147,680.45-58,618.38

Finding the Fourth Proportional to 107,018.96, 147,680.45 and 58,618.38

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Solution

The fourth proportional to 107,018.96, 147,680.45 and 58,618.38 is: 80,890.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,018.96 : 147,680.45 = 58,618.38 : x
  2. Step 2: Convert to fraction form
    107,018.96/147,680.45 = 58,618.38/x
  3. Step 3: Cross multiply
    107,018.96x = 147,680.45 × 58,618.38
  4. Step 4: Simplify right side
    107,018.96x = 8,656,788,736.67
  5. Step 5: Solve for x
    x = 8,656,788,736.67/107,018.96
  6. Step 6: Final answer
    x = 80,890.23

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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.