Home / 83,971.53-125,342.93-74,007.36

Finding the Fourth Proportional to 83,971.53, 125,342.93 and 74,007.36

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Solution

The fourth proportional to 83,971.53, 125,342.93 and 74,007.36 is: 110,469.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,971.53 : 125,342.93 = 74,007.36 : x
  2. Step 2: Convert to fraction form
    83,971.53/125,342.93 = 74,007.36/x
  3. Step 3: Cross multiply
    83,971.53x = 125,342.93 × 74,007.36
  4. Step 4: Simplify right side
    83,971.53x = 9,276,299,528.98
  5. Step 5: Solve for x
    x = 9,276,299,528.98/83,971.53
  6. Step 6: Final answer
    x = 110,469.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.