Home / 112,669.38-155,465.46-67,366.08

Finding the Fourth Proportional to 112,669.38, 155,465.46 and 67,366.08

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Solution

The fourth proportional to 112,669.38, 155,465.46 and 67,366.08 is: 92,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,669.38 : 155,465.46 = 67,366.08 : x
  2. Step 2: Convert to fraction form
    112,669.38/155,465.46 = 67,366.08/x
  3. Step 3: Cross multiply
    112,669.38x = 155,465.46 × 67,366.08
  4. Step 4: Simplify right side
    112,669.38x = 10,473,098,615.60
  5. Step 5: Solve for x
    x = 10,473,098,615.60/112,669.38
  6. Step 6: Final answer
    x = 92,954.26

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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.