Home / 88,688.86-122,391.06-48,403.56

Finding the Fourth Proportional to 88,688.86, 122,391.06 and 48,403.56

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Solution

The fourth proportional to 88,688.86, 122,391.06 and 48,403.56 is: 66,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,688.86 : 122,391.06 = 48,403.56 : x
  2. Step 2: Convert to fraction form
    88,688.86/122,391.06 = 48,403.56/x
  3. Step 3: Cross multiply
    88,688.86x = 122,391.06 × 48,403.56
  4. Step 4: Simplify right side
    88,688.86x = 5,924,163,016.17
  5. Step 5: Solve for x
    x = 5,924,163,016.17/88,688.86
  6. Step 6: Final answer
    x = 66,797.15

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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.