Home / 88,381.40-121,967.80-48,096.86

Finding the Fourth Proportional to 88,381.40, 121,967.80 and 48,096.86

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Solution

The fourth proportional to 88,381.40, 121,967.80 and 48,096.86 is: 66,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,381.40 : 121,967.80 = 48,096.86 : x
  2. Step 2: Convert to fraction form
    88,381.40/121,967.80 = 48,096.86/x
  3. Step 3: Cross multiply
    88,381.40x = 121,967.80 × 48,096.86
  4. Step 4: Simplify right side
    88,381.40x = 5,866,268,201.11
  5. Step 5: Solve for x
    x = 5,866,268,201.11/88,381.40
  6. Step 6: Final answer
    x = 66,374.47

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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.