Home / 79,777.46-110,111.65-49,585.58

Finding the Fourth Proportional to 79,777.46, 110,111.65 and 49,585.58

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Solution

The fourth proportional to 79,777.46, 110,111.65 and 49,585.58 is: 68,439.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,777.46 : 110,111.65 = 49,585.58 : x
  2. Step 2: Convert to fraction form
    79,777.46/110,111.65 = 49,585.58/x
  3. Step 3: Cross multiply
    79,777.46x = 110,111.65 × 49,585.58
  4. Step 4: Simplify right side
    79,777.46x = 5,459,950,030.01
  5. Step 5: Solve for x
    x = 5,459,950,030.01/79,777.46
  6. Step 6: Final answer
    x = 68,439.76

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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.