Home / 88,126.29-121,616.34-52,316.43

Finding the Fourth Proportional to 88,126.29, 121,616.34 and 52,316.43

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Solution

The fourth proportional to 88,126.29, 121,616.34 and 52,316.43 is: 72,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,126.29 : 121,616.34 = 52,316.43 : x
  2. Step 2: Convert to fraction form
    88,126.29/121,616.34 = 52,316.43/x
  3. Step 3: Cross multiply
    88,126.29x = 121,616.34 × 52,316.43
  4. Step 4: Simplify right side
    88,126.29x = 6,362,532,738.47
  5. Step 5: Solve for x
    x = 6,362,532,738.47/88,126.29
  6. Step 6: Final answer
    x = 72,197.90

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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.