Home / 69,724.16-96,208.80-42,871.04

Finding the Fourth Proportional to 69,724.16, 96,208.80 and 42,871.04

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Solution

The fourth proportional to 69,724.16, 96,208.80 and 42,871.04 is: 59,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,724.16 : 96,208.80 = 42,871.04 : x
  2. Step 2: Convert to fraction form
    69,724.16/96,208.80 = 42,871.04/x
  3. Step 3: Cross multiply
    69,724.16x = 96,208.80 × 42,871.04
  4. Step 4: Simplify right side
    69,724.16x = 4,124,571,313.15
  5. Step 5: Solve for x
    x = 4,124,571,313.15/69,724.16
  6. Step 6: Final answer
    x = 59,155.55

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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.