Home / 56,673.65-78,206.51-31,521.53

Finding the Fourth Proportional to 56,673.65, 78,206.51 and 31,521.53

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Solution

The fourth proportional to 56,673.65, 78,206.51 and 31,521.53 is: 43,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,673.65 : 78,206.51 = 31,521.53 : x
  2. Step 2: Convert to fraction form
    56,673.65/78,206.51 = 31,521.53/x
  3. Step 3: Cross multiply
    56,673.65x = 78,206.51 × 31,521.53
  4. Step 4: Simplify right side
    56,673.65x = 2,465,188,693.55
  5. Step 5: Solve for x
    x = 2,465,188,693.55/56,673.65
  6. Step 6: Final answer
    x = 43,497.97

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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.