Home / 63,837.36-88,013.20-52,309.40

Finding the Fourth Proportional to 63,837.36, 88,013.20 and 52,309.40

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Solution

The fourth proportional to 63,837.36, 88,013.20 and 52,309.40 is: 72,119.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,837.36 : 88,013.20 = 52,309.40 : x
  2. Step 2: Convert to fraction form
    63,837.36/88,013.20 = 52,309.40/x
  3. Step 3: Cross multiply
    63,837.36x = 88,013.20 × 52,309.40
  4. Step 4: Simplify right side
    63,837.36x = 4,603,917,684.08
  5. Step 5: Solve for x
    x = 4,603,917,684.08/63,837.36
  6. Step 6: Final answer
    x = 72,119.49

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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.