Home / 77,444.88-106,873.44-42,989.24

Finding the Fourth Proportional to 77,444.88, 106,873.44 and 42,989.24

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Solution

The fourth proportional to 77,444.88, 106,873.44 and 42,989.24 is: 59,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,444.88 : 106,873.44 = 42,989.24 : x
  2. Step 2: Convert to fraction form
    77,444.88/106,873.44 = 42,989.24/x
  3. Step 3: Cross multiply
    77,444.88x = 106,873.44 × 42,989.24
  4. Step 4: Simplify right side
    77,444.88x = 4,594,407,961.79
  5. Step 5: Solve for x
    x = 4,594,407,961.79/77,444.88
  6. Step 6: Final answer
    x = 59,324.88

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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.