Home / 125,055.84-172,570.16-68,456.24

Finding the Fourth Proportional to 125,055.84, 172,570.16 and 68,456.24

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Solution

The fourth proportional to 125,055.84, 172,570.16 and 68,456.24 is: 94,465.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,055.84 : 172,570.16 = 68,456.24 : x
  2. Step 2: Convert to fraction form
    125,055.84/172,570.16 = 68,456.24/x
  3. Step 3: Cross multiply
    125,055.84x = 172,570.16 × 68,456.24
  4. Step 4: Simplify right side
    125,055.84x = 11,813,504,289.80
  5. Step 5: Solve for x
    x = 11,813,504,289.80/125,055.84
  6. Step 6: Final answer
    x = 94,465.83

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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.