Home / 88,362.12-121,940.97-48,075.90

Finding the Fourth Proportional to 88,362.12, 121,940.97 and 48,075.90

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Solution

The fourth proportional to 88,362.12, 121,940.97 and 48,075.90 is: 66,345.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,362.12 : 121,940.97 = 48,075.90 : x
  2. Step 2: Convert to fraction form
    88,362.12/121,940.97 = 48,075.90/x
  3. Step 3: Cross multiply
    88,362.12x = 121,940.97 × 48,075.90
  4. Step 4: Simplify right side
    88,362.12x = 5,862,422,406.15
  5. Step 5: Solve for x
    x = 5,862,422,406.15/88,362.12
  6. Step 6: Final answer
    x = 66,345.43

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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.