Home / 53,168.19-79,767.89-15,729.26

Finding the Fourth Proportional to 53,168.19, 79,767.89 and 15,729.26

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Solution

The fourth proportional to 53,168.19, 79,767.89 and 15,729.26 is: 23,598.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,168.19 : 79,767.89 = 15,729.26 : x
  2. Step 2: Convert to fraction form
    53,168.19/79,767.89 = 15,729.26/x
  3. Step 3: Cross multiply
    53,168.19x = 79,767.89 × 15,729.26
  4. Step 4: Simplify right side
    53,168.19x = 1,254,689,881.46
  5. Step 5: Solve for x
    x = 1,254,689,881.46/53,168.19
  6. Step 6: Final answer
    x = 23,598.51

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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.