Home / 123,535.62-170,479.17-66,947.04

Finding the Fourth Proportional to 123,535.62, 170,479.17 and 66,947.04

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Solution

The fourth proportional to 123,535.62, 170,479.17 and 66,947.04 is: 92,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,535.62 : 170,479.17 = 66,947.04 : x
  2. Step 2: Convert to fraction form
    123,535.62/170,479.17 = 66,947.04/x
  3. Step 3: Cross multiply
    123,535.62x = 170,479.17 × 66,947.04
  4. Step 4: Simplify right side
    123,535.62x = 11,413,075,813.16
  5. Step 5: Solve for x
    x = 11,413,075,813.16/123,535.62
  6. Step 6: Final answer
    x = 92,386.92

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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.