Home / 56,957.30-78,599.68-31,465.79

Finding the Fourth Proportional to 56,957.30, 78,599.68 and 31,465.79

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Solution

The fourth proportional to 56,957.30, 78,599.68 and 31,465.79 is: 43,422.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,957.30 : 78,599.68 = 31,465.79 : x
  2. Step 2: Convert to fraction form
    56,957.30/78,599.68 = 31,465.79/x
  3. Step 3: Cross multiply
    56,957.30x = 78,599.68 × 31,465.79
  4. Step 4: Simplify right side
    56,957.30x = 2,473,200,553.28
  5. Step 5: Solve for x
    x = 2,473,200,553.28/56,957.30
  6. Step 6: Final answer
    x = 43,422.02

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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.