Home / 76,795.68-105,965.19-42,796.71

Finding the Fourth Proportional to 76,795.68, 105,965.19 and 42,796.71

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Solution

The fourth proportional to 76,795.68, 105,965.19 and 42,796.71 is: 59,052.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,795.68 : 105,965.19 = 42,796.71 : x
  2. Step 2: Convert to fraction form
    76,795.68/105,965.19 = 42,796.71/x
  3. Step 3: Cross multiply
    76,795.68x = 105,965.19 × 42,796.71
  4. Step 4: Simplify right side
    76,795.68x = 4,534,961,506.52
  5. Step 5: Solve for x
    x = 4,534,961,506.52/76,795.68
  6. Step 6: Final answer
    x = 59,052.30

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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.