Home / 88,403.41-121,999.29-48,119.77

Finding the Fourth Proportional to 88,403.41, 121,999.29 and 48,119.77

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Solution

The fourth proportional to 88,403.41, 121,999.29 and 48,119.77 is: 66,406.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,403.41 : 121,999.29 = 48,119.77 : x
  2. Step 2: Convert to fraction form
    88,403.41/121,999.29 = 48,119.77/x
  3. Step 3: Cross multiply
    88,403.41x = 121,999.29 × 48,119.77
  4. Step 4: Simplify right side
    88,403.41x = 5,870,577,774.96
  5. Step 5: Solve for x
    x = 5,870,577,774.96/88,403.41
  6. Step 6: Final answer
    x = 66,406.69

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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.