Home / 76,712.20-105,851.82-44,875.08

Finding the Fourth Proportional to 76,712.20, 105,851.82 and 44,875.08

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Solution

The fourth proportional to 76,712.20, 105,851.82 and 44,875.08 is: 61,921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,712.20 : 105,851.82 = 44,875.08 : x
  2. Step 2: Convert to fraction form
    76,712.20/105,851.82 = 44,875.08/x
  3. Step 3: Cross multiply
    76,712.20x = 105,851.82 × 44,875.08
  4. Step 4: Simplify right side
    76,712.20x = 4,750,108,890.65
  5. Step 5: Solve for x
    x = 4,750,108,890.65/76,712.20
  6. Step 6: Final answer
    x = 61,921.17

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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.