Home / 47,862.18-71,802-14,578.47

Finding the Fourth Proportional to 47,862.18, 71,802 and 14,578.47

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Solution

The fourth proportional to 47,862.18, 71,802 and 14,578.47 is: 21,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,862.18 : 71,802 = 14,578.47 : x
  2. Step 2: Convert to fraction form
    47,862.18/71,802 = 14,578.47/x
  3. Step 3: Cross multiply
    47,862.18x = 71,802 × 14,578.47
  4. Step 4: Simplify right side
    47,862.18x = 1,046,763,302.94
  5. Step 5: Solve for x
    x = 1,046,763,302.94/47,862.18
  6. Step 6: Final answer
    x = 21,870.36

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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.