Home / 125,304.14-172,923.72-68,715.38

Finding the Fourth Proportional to 125,304.14, 172,923.72 and 68,715.38

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Solution

The fourth proportional to 125,304.14, 172,923.72 and 68,715.38 is: 94,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,304.14 : 172,923.72 = 68,715.38 : x
  2. Step 2: Convert to fraction form
    125,304.14/172,923.72 = 68,715.38/x
  3. Step 3: Cross multiply
    125,304.14x = 172,923.72 × 68,715.38
  4. Step 4: Simplify right side
    125,304.14x = 11,882,519,130.81
  5. Step 5: Solve for x
    x = 11,882,519,130.81/125,304.14
  6. Step 6: Final answer
    x = 94,829.42

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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.