Home / 71,705.02-98,953.01-39,873.23

Finding the Fourth Proportional to 71,705.02, 98,953.01 and 39,873.23

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Solution

The fourth proportional to 71,705.02, 98,953.01 and 39,873.23 is: 55,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,705.02 : 98,953.01 = 39,873.23 : x
  2. Step 2: Convert to fraction form
    71,705.02/98,953.01 = 39,873.23/x
  3. Step 3: Cross multiply
    71,705.02x = 98,953.01 × 39,873.23
  4. Step 4: Simplify right side
    71,705.02x = 3,945,576,126.92
  5. Step 5: Solve for x
    x = 3,945,576,126.92/71,705.02
  6. Step 6: Final answer
    x = 55,025.10

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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.