Home / 106,543.43-147,028.65-58,795.73

Finding the Fourth Proportional to 106,543.43, 147,028.65 and 58,795.73

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Solution

The fourth proportional to 106,543.43, 147,028.65 and 58,795.73 is: 81,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,543.43 : 147,028.65 = 58,795.73 : x
  2. Step 2: Convert to fraction form
    106,543.43/147,028.65 = 58,795.73/x
  3. Step 3: Cross multiply
    106,543.43x = 147,028.65 × 58,795.73
  4. Step 4: Simplify right side
    106,543.43x = 8,644,656,807.66
  5. Step 5: Solve for x
    x = 8,644,656,807.66/106,543.43
  6. Step 6: Final answer
    x = 81,137.40

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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.