Home / 88,268.68-121,813.12-47,985.16

Finding the Fourth Proportional to 88,268.68, 121,813.12 and 47,985.16

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Solution

The fourth proportional to 88,268.68, 121,813.12 and 47,985.16 is: 66,220.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,268.68 : 121,813.12 = 47,985.16 : x
  2. Step 2: Convert to fraction form
    88,268.68/121,813.12 = 47,985.16/x
  3. Step 3: Cross multiply
    88,268.68x = 121,813.12 × 47,985.16
  4. Step 4: Simplify right side
    88,268.68x = 5,845,222,053.30
  5. Step 5: Solve for x
    x = 5,845,222,053.30/88,268.68
  6. Step 6: Final answer
    x = 66,220.79

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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.