Home / 76,405.64-105,442.83-41,951.75

Finding the Fourth Proportional to 76,405.64, 105,442.83 and 41,951.75

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Solution

The fourth proportional to 76,405.64, 105,442.83 and 41,951.75 is: 57,895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,405.64 : 105,442.83 = 41,951.75 : x
  2. Step 2: Convert to fraction form
    76,405.64/105,442.83 = 41,951.75/x
  3. Step 3: Cross multiply
    76,405.64x = 105,442.83 × 41,951.75
  4. Step 4: Simplify right side
    76,405.64x = 4,423,510,716.24
  5. Step 5: Solve for x
    x = 4,423,510,716.24/76,405.64
  6. Step 6: Final answer
    x = 57,895.08

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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.