Home / 88,403.80-121,999.82-48,120.16

Finding the Fourth Proportional to 88,403.80, 121,999.82 and 48,120.16

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Solution

The fourth proportional to 88,403.80, 121,999.82 and 48,120.16 is: 66,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,403.80 : 121,999.82 = 48,120.16 : x
  2. Step 2: Convert to fraction form
    88,403.80/121,999.82 = 48,120.16/x
  3. Step 3: Cross multiply
    88,403.80x = 121,999.82 × 48,120.16
  4. Step 4: Simplify right side
    88,403.80x = 5,870,650,858.37
  5. Step 5: Solve for x
    x = 5,870,650,858.37/88,403.80
  6. Step 6: Final answer
    x = 66,407.22

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1.5x scale

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.