Home / 56,466.19-77,926.89-31,315.69

Finding the Fourth Proportional to 56,466.19, 77,926.89 and 31,315.69

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Solution

The fourth proportional to 56,466.19, 77,926.89 and 31,315.69 is: 43,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,466.19 : 77,926.89 = 31,315.69 : x
  2. Step 2: Convert to fraction form
    56,466.19/77,926.89 = 31,315.69/x
  3. Step 3: Cross multiply
    56,466.19x = 77,926.89 × 31,315.69
  4. Step 4: Simplify right side
    56,466.19x = 2,440,334,329.90
  5. Step 5: Solve for x
    x = 2,440,334,329.90/56,466.19
  6. Step 6: Final answer
    x = 43,217.62

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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.