Home / 109,091.71-150,545.62-61,344.04

Finding the Fourth Proportional to 109,091.71, 150,545.62 and 61,344.04

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Solution

The fourth proportional to 109,091.71, 150,545.62 and 61,344.04 is: 84,654.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,091.71 : 150,545.62 = 61,344.04 : x
  2. Step 2: Convert to fraction form
    109,091.71/150,545.62 = 61,344.04/x
  3. Step 3: Cross multiply
    109,091.71x = 150,545.62 × 61,344.04
  4. Step 4: Simplify right side
    109,091.71x = 9,235,075,475.66
  5. Step 5: Solve for x
    x = 9,235,075,475.66/109,091.71
  6. Step 6: Final answer
    x = 84,654.24

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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.