Home / 88,172.37-121,677.82-47,886.13

Finding the Fourth Proportional to 88,172.37, 121,677.82 and 47,886.13

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Solution

The fourth proportional to 88,172.37, 121,677.82 and 47,886.13 is: 66,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,172.37 : 121,677.82 = 47,886.13 : x
  2. Step 2: Convert to fraction form
    88,172.37/121,677.82 = 47,886.13/x
  3. Step 3: Cross multiply
    88,172.37x = 121,677.82 × 47,886.13
  4. Step 4: Simplify right side
    88,172.37x = 5,826,679,906.64
  5. Step 5: Solve for x
    x = 5,826,679,906.64/88,172.37
  6. Step 6: Final answer
    x = 66,082.83

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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.