Home / 52,118.08-71,921.28-29,762.08

Finding the Fourth Proportional to 52,118.08, 71,921.28 and 29,762.08

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Solution

The fourth proportional to 52,118.08, 71,921.28 and 29,762.08 is: 41,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,118.08 : 71,921.28 = 29,762.08 : x
  2. Step 2: Convert to fraction form
    52,118.08/71,921.28 = 29,762.08/x
  3. Step 3: Cross multiply
    52,118.08x = 71,921.28 × 29,762.08
  4. Step 4: Simplify right side
    52,118.08x = 2,140,526,889.06
  5. Step 5: Solve for x
    x = 2,140,526,889.06/52,118.08
  6. Step 6: Final answer
    x = 41,070.72

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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.