Home / 79,501.31-109,710.54-43,690.55

Finding the Fourth Proportional to 79,501.31, 109,710.54 and 43,690.55

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Solution

The fourth proportional to 79,501.31, 109,710.54 and 43,690.55 is: 60,292.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,501.31 : 109,710.54 = 43,690.55 : x
  2. Step 2: Convert to fraction form
    79,501.31/109,710.54 = 43,690.55/x
  3. Step 3: Cross multiply
    79,501.31x = 109,710.54 × 43,690.55
  4. Step 4: Simplify right side
    79,501.31x = 4,793,313,284.84
  5. Step 5: Solve for x
    x = 4,793,313,284.84/79,501.31
  6. Step 6: Final answer
    x = 60,292.26

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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.