Home / 76,378.92-105,362.18-44,536.20

Finding the Fourth Proportional to 76,378.92, 105,362.18 and 44,536.20

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Solution

The fourth proportional to 76,378.92, 105,362.18 and 44,536.20 is: 61,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,378.92 : 105,362.18 = 44,536.20 : x
  2. Step 2: Convert to fraction form
    76,378.92/105,362.18 = 44,536.20/x
  3. Step 3: Cross multiply
    76,378.92x = 105,362.18 × 44,536.20
  4. Step 4: Simplify right side
    76,378.92x = 4,692,431,120.92
  5. Step 5: Solve for x
    x = 4,692,431,120.92/76,378.92
  6. Step 6: Final answer
    x = 61,436.21

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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.