Home / 53,327.88-79,988.52-15,888.06

Finding the Fourth Proportional to 53,327.88, 79,988.52 and 15,888.06

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Solution

The fourth proportional to 53,327.88, 79,988.52 and 15,888.06 is: 23,831.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,327.88 : 79,988.52 = 15,888.06 : x
  2. Step 2: Convert to fraction form
    53,327.88/79,988.52 = 15,888.06/x
  3. Step 3: Cross multiply
    53,327.88x = 79,988.52 × 15,888.06
  4. Step 4: Simplify right side
    53,327.88x = 1,270,862,405.07
  5. Step 5: Solve for x
    x = 1,270,862,405.07/53,327.88
  6. Step 6: Final answer
    x = 23,831.11

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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.