Home / 87,768.68-121,120.23-47,482.28

Finding the Fourth Proportional to 87,768.68, 121,120.23 and 47,482.28

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Solution

The fourth proportional to 87,768.68, 121,120.23 and 47,482.28 is: 65,525.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,768.68 : 121,120.23 = 47,482.28 : x
  2. Step 2: Convert to fraction form
    87,768.68/121,120.23 = 47,482.28/x
  3. Step 3: Cross multiply
    87,768.68x = 121,120.23 × 47,482.28
  4. Step 4: Simplify right side
    87,768.68x = 5,751,064,674.52
  5. Step 5: Solve for x
    x = 5,751,064,674.52/87,768.68
  6. Step 6: Final answer
    x = 65,525.25

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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.