Home / 106,041.59-146,340.20-57,646.78

Finding the Fourth Proportional to 106,041.59, 146,340.20 and 57,646.78

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Solution

The fourth proportional to 106,041.59, 146,340.20 and 57,646.78 is: 79,554.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,041.59 : 146,340.20 = 57,646.78 : x
  2. Step 2: Convert to fraction form
    106,041.59/146,340.20 = 57,646.78/x
  3. Step 3: Cross multiply
    106,041.59x = 146,340.20 × 57,646.78
  4. Step 4: Simplify right side
    106,041.59x = 8,436,041,314.56
  5. Step 5: Solve for x
    x = 8,436,041,314.56/106,041.59
  6. Step 6: Final answer
    x = 79,554.08

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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.