Home / 123,948.04-171,047.94-67,358.92

Finding the Fourth Proportional to 123,948.04, 171,047.94 and 67,358.92

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Solution

The fourth proportional to 123,948.04, 171,047.94 and 67,358.92 is: 92,955.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,948.04 : 171,047.94 = 67,358.92 : x
  2. Step 2: Convert to fraction form
    123,948.04/171,047.94 = 67,358.92/x
  3. Step 3: Cross multiply
    123,948.04x = 171,047.94 × 67,358.92
  4. Step 4: Simplify right side
    123,948.04x = 11,521,604,506.62
  5. Step 5: Solve for x
    x = 11,521,604,506.62/123,948.04
  6. Step 6: Final answer
    x = 92,955.12

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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.