Home / 76,671.18-105,696.90-59,645.52

Finding the Fourth Proportional to 76,671.18, 105,696.90 and 59,645.52

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Solution

The fourth proportional to 76,671.18, 105,696.90 and 59,645.52 is: 82,225.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,671.18 : 105,696.90 = 59,645.52 : x
  2. Step 2: Convert to fraction form
    76,671.18/105,696.90 = 59,645.52/x
  3. Step 3: Cross multiply
    76,671.18x = 105,696.90 × 59,645.52
  4. Step 4: Simplify right side
    76,671.18x = 6,304,346,562.89
  5. Step 5: Solve for x
    x = 6,304,346,562.89/76,671.18
  6. Step 6: Final answer
    x = 82,225.77

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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.