Home / 51,913.28-77,856.96-16,862.96

Finding the Fourth Proportional to 51,913.28, 77,856.96 and 16,862.96

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Solution

The fourth proportional to 51,913.28, 77,856.96 and 16,862.96 is: 25,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,913.28 : 77,856.96 = 16,862.96 : x
  2. Step 2: Convert to fraction form
    51,913.28/77,856.96 = 16,862.96/x
  3. Step 3: Cross multiply
    51,913.28x = 77,856.96 × 16,862.96
  4. Step 4: Simplify right side
    51,913.28x = 1,312,898,802.20
  5. Step 5: Solve for x
    x = 1,312,898,802.20/51,913.28
  6. Step 6: Final answer
    x = 25,290.23

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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.