Home / 76,957.67-115,473.05-53,301.62

Finding the Fourth Proportional to 76,957.67, 115,473.05 and 53,301.62

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Solution

The fourth proportional to 76,957.67, 115,473.05 and 53,301.62 is: 79,977.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,957.67 : 115,473.05 = 53,301.62 : x
  2. Step 2: Convert to fraction form
    76,957.67/115,473.05 = 53,301.62/x
  3. Step 3: Cross multiply
    76,957.67x = 115,473.05 × 53,301.62
  4. Step 4: Simplify right side
    76,957.67x = 6,154,899,787.47
  5. Step 5: Solve for x
    x = 6,154,899,787.47/76,957.67
  6. Step 6: Final answer
    x = 79,977.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.