Home / 76,350.12-105,326.88-50,868.32

Finding the Fourth Proportional to 76,350.12, 105,326.88 and 50,868.32

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Solution

The fourth proportional to 76,350.12, 105,326.88 and 50,868.32 is: 70,174.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,350.12 : 105,326.88 = 50,868.32 : x
  2. Step 2: Convert to fraction form
    76,350.12/105,326.88 = 50,868.32/x
  3. Step 3: Cross multiply
    76,350.12x = 105,326.88 × 50,868.32
  4. Step 4: Simplify right side
    76,350.12x = 5,357,801,436.44
  5. Step 5: Solve for x
    x = 5,357,801,436.44/76,350.12
  6. Step 6: Final answer
    x = 70,174.11

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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.