Home / 58,192.45-87,326.96-31,915.65

Finding the Fourth Proportional to 58,192.45, 87,326.96 and 31,915.65

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Solution

The fourth proportional to 58,192.45, 87,326.96 and 31,915.65 is: 47,894.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,192.45 : 87,326.96 = 31,915.65 : x
  2. Step 2: Convert to fraction form
    58,192.45/87,326.96 = 31,915.65/x
  3. Step 3: Cross multiply
    58,192.45x = 87,326.96 × 31,915.65
  4. Step 4: Simplify right side
    58,192.45x = 2,787,096,690.92
  5. Step 5: Solve for x
    x = 2,787,096,690.92/58,192.45
  6. Step 6: Final answer
    x = 47,894.47

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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.