Home / 76,977.95-106,229.04-42,984.41

Finding the Fourth Proportional to 76,977.95, 106,229.04 and 42,984.41

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Solution

The fourth proportional to 76,977.95, 106,229.04 and 42,984.41 is: 59,318.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,977.95 : 106,229.04 = 42,984.41 : x
  2. Step 2: Convert to fraction form
    76,977.95/106,229.04 = 42,984.41/x
  3. Step 3: Cross multiply
    76,977.95x = 106,229.04 × 42,984.41
  4. Step 4: Simplify right side
    76,977.95x = 4,566,192,609.27
  5. Step 5: Solve for x
    x = 4,566,192,609.27/76,977.95
  6. Step 6: Final answer
    x = 59,318.19

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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.