Home / 125,013.07-172,518.04-68,424.44

Finding the Fourth Proportional to 125,013.07, 172,518.04 and 68,424.44

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Solution

The fourth proportional to 125,013.07, 172,518.04 and 68,424.44 is: 94,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,013.07 : 172,518.04 = 68,424.44 : x
  2. Step 2: Convert to fraction form
    125,013.07/172,518.04 = 68,424.44/x
  3. Step 3: Cross multiply
    125,013.07x = 172,518.04 × 68,424.44
  4. Step 4: Simplify right side
    125,013.07x = 11,804,450,276.90
  5. Step 5: Solve for x
    x = 11,804,450,276.90/125,013.07
  6. Step 6: Final answer
    x = 94,425.73

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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.