Home / 125,333.57-172,959.62-67,972.32

Finding the Fourth Proportional to 125,333.57, 172,959.62 and 67,972.32

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Solution

The fourth proportional to 125,333.57, 172,959.62 and 67,972.32 is: 93,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,333.57 : 172,959.62 = 67,972.32 : x
  2. Step 2: Convert to fraction form
    125,333.57/172,959.62 = 67,972.32/x
  3. Step 3: Cross multiply
    125,333.57x = 172,959.62 × 67,972.32
  4. Step 4: Simplify right side
    125,333.57x = 11,756,466,297.86
  5. Step 5: Solve for x
    x = 11,756,466,297.86/125,333.57
  6. Step 6: Final answer
    x = 93,801.41

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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.