Home / 125,066.53-172,591.62-67,705.57

Finding the Fourth Proportional to 125,066.53, 172,591.62 and 67,705.57

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Solution

The fourth proportional to 125,066.53, 172,591.62 and 67,705.57 is: 93,433.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,066.53 : 172,591.62 = 67,705.57 : x
  2. Step 2: Convert to fraction form
    125,066.53/172,591.62 = 67,705.57/x
  3. Step 3: Cross multiply
    125,066.53x = 172,591.62 × 67,705.57
  4. Step 4: Simplify right side
    125,066.53x = 11,685,414,009.32
  5. Step 5: Solve for x
    x = 11,685,414,009.32/125,066.53
  6. Step 6: Final answer
    x = 93,433.58

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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.