Home / 88,403.86-121,999.92-48,120.24

Finding the Fourth Proportional to 88,403.86, 121,999.92 and 48,120.24

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Solution

The fourth proportional to 88,403.86, 121,999.92 and 48,120.24 is: 66,407.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,403.86 : 121,999.92 = 48,120.24 : x
  2. Step 2: Convert to fraction form
    88,403.86/121,999.92 = 48,120.24/x
  3. Step 3: Cross multiply
    88,403.86x = 121,999.92 × 48,120.24
  4. Step 4: Simplify right side
    88,403.86x = 5,870,665,430.38
  5. Step 5: Solve for x
    x = 5,870,665,430.38/88,403.86
  6. Step 6: Final answer
    x = 66,407.34

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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.