Home / 47,842.61-71,779.28-14,569.11

Finding the Fourth Proportional to 47,842.61, 71,779.28 and 14,569.11

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Solution

The fourth proportional to 47,842.61, 71,779.28 and 14,569.11 is: 21,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,842.61 : 71,779.28 = 14,569.11 : x
  2. Step 2: Convert to fraction form
    47,842.61/71,779.28 = 14,569.11/x
  3. Step 3: Cross multiply
    47,842.61x = 71,779.28 × 14,569.11
  4. Step 4: Simplify right side
    47,842.61x = 1,045,760,153.20
  5. Step 5: Solve for x
    x = 1,045,760,153.20/47,842.61
  6. Step 6: Final answer
    x = 21,858.34

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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.