Home / 56,924.93-78,557.63-31,432.91

Finding the Fourth Proportional to 56,924.93, 78,557.63 and 31,432.91

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Solution

The fourth proportional to 56,924.93, 78,557.63 and 31,432.91 is: 43,378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,924.93 : 78,557.63 = 31,432.91 : x
  2. Step 2: Convert to fraction form
    56,924.93/78,557.63 = 31,432.91/x
  3. Step 3: Cross multiply
    56,924.93x = 78,557.63 × 31,432.91
  4. Step 4: Simplify right side
    56,924.93x = 2,469,294,363.65
  5. Step 5: Solve for x
    x = 2,469,294,363.65/56,924.93
  6. Step 6: Final answer
    x = 43,378.09

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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.