Home / 88,309.34-121,867.46-48,023.54

Finding the Fourth Proportional to 88,309.34, 121,867.46 and 48,023.54

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Solution

The fourth proportional to 88,309.34, 121,867.46 and 48,023.54 is: 66,272.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,309.34 : 121,867.46 = 48,023.54 : x
  2. Step 2: Convert to fraction form
    88,309.34/121,867.46 = 48,023.54/x
  3. Step 3: Cross multiply
    88,309.34x = 121,867.46 × 48,023.54
  4. Step 4: Simplify right side
    88,309.34x = 5,852,506,599.89
  5. Step 5: Solve for x
    x = 5,852,506,599.89/88,309.34
  6. Step 6: Final answer
    x = 66,272.79

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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.