Home / 125,294.96-172,907.07-68,707.52

Finding the Fourth Proportional to 125,294.96, 172,907.07 and 68,707.52

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Solution

The fourth proportional to 125,294.96, 172,907.07 and 68,707.52 is: 94,816.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,294.96 : 172,907.07 = 68,707.52 : x
  2. Step 2: Convert to fraction form
    125,294.96/172,907.07 = 68,707.52/x
  3. Step 3: Cross multiply
    125,294.96x = 172,907.07 × 68,707.52
  4. Step 4: Simplify right side
    125,294.96x = 11,880,015,970.17
  5. Step 5: Solve for x
    x = 11,880,015,970.17/125,294.96
  6. Step 6: Final answer
    x = 94,816.39

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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.