Home / 76,731.71-105,855.66-44,886.56

Finding the Fourth Proportional to 76,731.71, 105,855.66 and 44,886.56

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Solution

The fourth proportional to 76,731.71, 105,855.66 and 44,886.56 is: 61,923.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,731.71 : 105,855.66 = 44,886.56 : x
  2. Step 2: Convert to fraction form
    76,731.71/105,855.66 = 44,886.56/x
  3. Step 3: Cross multiply
    76,731.71x = 105,855.66 × 44,886.56
  4. Step 4: Simplify right side
    76,731.71x = 4,751,495,904.65
  5. Step 5: Solve for x
    x = 4,751,495,904.65/76,731.71
  6. Step 6: Final answer
    x = 61,923.50

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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.