Home / 71,356.10-98,471.54-39,090.02

Finding the Fourth Proportional to 71,356.10, 98,471.54 and 39,090.02

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Solution

The fourth proportional to 71,356.10, 98,471.54 and 39,090.02 is: 53,944.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,356.10 : 98,471.54 = 39,090.02 : x
  2. Step 2: Convert to fraction form
    71,356.10/98,471.54 = 39,090.02/x
  3. Step 3: Cross multiply
    71,356.10x = 98,471.54 × 39,090.02
  4. Step 4: Simplify right side
    71,356.10x = 3,849,254,073.40
  5. Step 5: Solve for x
    x = 3,849,254,073.40/71,356.10
  6. Step 6: Final answer
    x = 53,944.29

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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.