Home / 88,171.95-121,673.22-49,930.62

Finding the Fourth Proportional to 88,171.95, 121,673.22 and 49,930.62

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Solution

The fourth proportional to 88,171.95, 121,673.22 and 49,930.62 is: 68,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,171.95 : 121,673.22 = 49,930.62 : x
  2. Step 2: Convert to fraction form
    88,171.95/121,673.22 = 49,930.62/x
  3. Step 3: Cross multiply
    88,171.95x = 121,673.22 × 49,930.62
  4. Step 4: Simplify right side
    88,171.95x = 6,075,219,062.34
  5. Step 5: Solve for x
    x = 6,075,219,062.34/88,171.95
  6. Step 6: Final answer
    x = 68,901.95

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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.