Home / 52,078.44-78,109.14-14,641.08

Finding the Fourth Proportional to 52,078.44, 78,109.14 and 14,641.08

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Solution

The fourth proportional to 52,078.44, 78,109.14 and 14,641.08 is: 21,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,078.44 : 78,109.14 = 14,641.08 : x
  2. Step 2: Convert to fraction form
    52,078.44/78,109.14 = 14,641.08/x
  3. Step 3: Cross multiply
    52,078.44x = 78,109.14 × 14,641.08
  4. Step 4: Simplify right side
    52,078.44x = 1,143,602,167.47
  5. Step 5: Solve for x
    x = 1,143,602,167.47/52,078.44
  6. Step 6: Final answer
    x = 21,959.22

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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.