Home / 73,986.31-102,099.57-40,452.31

Finding the Fourth Proportional to 73,986.31, 102,099.57 and 40,452.31

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Solution

The fourth proportional to 73,986.31, 102,099.57 and 40,452.31 is: 55,823.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,986.31 : 102,099.57 = 40,452.31 : x
  2. Step 2: Convert to fraction form
    73,986.31/102,099.57 = 40,452.31/x
  3. Step 3: Cross multiply
    73,986.31x = 102,099.57 × 40,452.31
  4. Step 4: Simplify right side
    73,986.31x = 4,130,163,456.51
  5. Step 5: Solve for x
    x = 4,130,163,456.51/73,986.31
  6. Step 6: Final answer
    x = 55,823.35

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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.