Home / 76,438.52-114,660.72-36,436.88

Finding the Fourth Proportional to 76,438.52, 114,660.72 and 36,436.88

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Solution

The fourth proportional to 76,438.52, 114,660.72 and 36,436.88 is: 54,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,438.52 : 114,660.72 = 36,436.88 : x
  2. Step 2: Convert to fraction form
    76,438.52/114,660.72 = 36,436.88/x
  3. Step 3: Cross multiply
    76,438.52x = 114,660.72 × 36,436.88
  4. Step 4: Simplify right side
    76,438.52x = 4,177,878,895.35
  5. Step 5: Solve for x
    x = 4,177,878,895.35/76,438.52
  6. Step 6: Final answer
    x = 54,656.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.