Home / 76,236.10-105,171.32-46,011.76

Finding the Fourth Proportional to 76,236.10, 105,171.32 and 46,011.76

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Solution

The fourth proportional to 76,236.10, 105,171.32 and 46,011.76 is: 63,475.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,236.10 : 105,171.32 = 46,011.76 : x
  2. Step 2: Convert to fraction form
    76,236.10/105,171.32 = 46,011.76/x
  3. Step 3: Cross multiply
    76,236.10x = 105,171.32 × 46,011.76
  4. Step 4: Simplify right side
    76,236.10x = 4,839,117,797.65
  5. Step 5: Solve for x
    x = 4,839,117,797.65/76,236.10
  6. Step 6: Final answer
    x = 63,475.41

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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.