Home / 78,606.46-108,476.75-42,796.16

Finding the Fourth Proportional to 78,606.46, 108,476.75 and 42,796.16

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Solution

The fourth proportional to 78,606.46, 108,476.75 and 42,796.16 is: 59,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,606.46 : 108,476.75 = 42,796.16 : x
  2. Step 2: Convert to fraction form
    78,606.46/108,476.75 = 42,796.16/x
  3. Step 3: Cross multiply
    78,606.46x = 108,476.75 × 42,796.16
  4. Step 4: Simplify right side
    78,606.46x = 4,642,388,320.67
  5. Step 5: Solve for x
    x = 4,642,388,320.67/78,606.46
  6. Step 6: Final answer
    x = 59,058.61

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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.