Home / 58,497.20-80,725.88-31,639.74

Finding the Fourth Proportional to 58,497.20, 80,725.88 and 31,639.74

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Solution

The fourth proportional to 58,497.20, 80,725.88 and 31,639.74 is: 43,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,497.20 : 80,725.88 = 31,639.74 : x
  2. Step 2: Convert to fraction form
    58,497.20/80,725.88 = 31,639.74/x
  3. Step 3: Cross multiply
    58,497.20x = 80,725.88 × 31,639.74
  4. Step 4: Simplify right side
    58,497.20x = 2,554,145,854.47
  5. Step 5: Solve for x
    x = 2,554,145,854.47/58,497.20
  6. Step 6: Final answer
    x = 43,662.70

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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.