Home / 72,241.24-99,639.66-52,164.40

Finding the Fourth Proportional to 72,241.24, 99,639.66 and 52,164.40

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Solution

The fourth proportional to 72,241.24, 99,639.66 and 52,164.40 is: 71,948.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,241.24 : 99,639.66 = 52,164.40 : x
  2. Step 2: Convert to fraction form
    72,241.24/99,639.66 = 52,164.40/x
  3. Step 3: Cross multiply
    72,241.24x = 99,639.66 × 52,164.40
  4. Step 4: Simplify right side
    72,241.24x = 5,197,643,080.10
  5. Step 5: Solve for x
    x = 5,197,643,080.10/72,241.24
  6. Step 6: Final answer
    x = 71,948.42

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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.