Home / 125,403.33-173,061.59-68,816.73

Finding the Fourth Proportional to 125,403.33, 173,061.59 and 68,816.73

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Solution

The fourth proportional to 125,403.33, 173,061.59 and 68,816.73 is: 94,969.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,403.33 : 173,061.59 = 68,816.73 : x
  2. Step 2: Convert to fraction form
    125,403.33/173,061.59 = 68,816.73/x
  3. Step 3: Cross multiply
    125,403.33x = 173,061.59 × 68,816.73
  4. Step 4: Simplify right side
    125,403.33x = 11,909,532,368.32
  5. Step 5: Solve for x
    x = 11,909,532,368.32/125,403.33
  6. Step 6: Final answer
    x = 94,969.83

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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.