Home / 125,153.06-172,710.32-67,791.10

Finding the Fourth Proportional to 125,153.06, 172,710.32 and 67,791.10

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Solution

The fourth proportional to 125,153.06, 172,710.32 and 67,791.10 is: 93,551.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,153.06 : 172,710.32 = 67,791.10 : x
  2. Step 2: Convert to fraction form
    125,153.06/172,710.32 = 67,791.10/x
  3. Step 3: Cross multiply
    125,153.06x = 172,710.32 × 67,791.10
  4. Step 4: Simplify right side
    125,153.06x = 11,708,222,574.15
  5. Step 5: Solve for x
    x = 11,708,222,574.15/125,153.06
  6. Step 6: Final answer
    x = 93,551.23

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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.