Home / 124,992.18-172,482.54-68,392.62

Finding the Fourth Proportional to 124,992.18, 172,482.54 and 68,392.62

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Solution

The fourth proportional to 124,992.18, 172,482.54 and 68,392.62 is: 94,378.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,992.18 : 172,482.54 = 68,392.62 : x
  2. Step 2: Convert to fraction form
    124,992.18/172,482.54 = 68,392.62/x
  3. Step 3: Cross multiply
    124,992.18x = 172,482.54 × 68,392.62
  4. Step 4: Simplify right side
    124,992.18x = 11,796,532,814.85
  5. Step 5: Solve for x
    x = 11,796,532,814.85/124,992.18
  6. Step 6: Final answer
    x = 94,378.17

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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.