Home / 106,933.50-147,601.08-61,641.76

Finding the Fourth Proportional to 106,933.50, 147,601.08 and 61,641.76

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Solution

The fourth proportional to 106,933.50, 147,601.08 and 61,641.76 is: 85,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,933.50 : 147,601.08 = 61,641.76 : x
  2. Step 2: Convert to fraction form
    106,933.50/147,601.08 = 61,641.76/x
  3. Step 3: Cross multiply
    106,933.50x = 147,601.08 × 61,641.76
  4. Step 4: Simplify right side
    106,933.50x = 9,098,389,980.10
  5. Step 5: Solve for x
    x = 9,098,389,980.10/106,933.50
  6. Step 6: Final answer
    x = 85,084.56

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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.