Home / 53,114.06-79,720.32-26,837.28

Finding the Fourth Proportional to 53,114.06, 79,720.32 and 26,837.28

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Solution

The fourth proportional to 53,114.06, 79,720.32 and 26,837.28 is: 40,280.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,114.06 : 79,720.32 = 26,837.28 : x
  2. Step 2: Convert to fraction form
    53,114.06/79,720.32 = 26,837.28/x
  3. Step 3: Cross multiply
    53,114.06x = 79,720.32 × 26,837.28
  4. Step 4: Simplify right side
    53,114.06x = 2,139,476,549.53
  5. Step 5: Solve for x
    x = 2,139,476,549.53/53,114.06
  6. Step 6: Final answer
    x = 40,280.79

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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.