Home / 87,804.42-121,170.40-47,518.18

Finding the Fourth Proportional to 87,804.42, 121,170.40 and 47,518.18

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Solution

The fourth proportional to 87,804.42, 121,170.40 and 47,518.18 is: 65,575.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,804.42 : 121,170.40 = 47,518.18 : x
  2. Step 2: Convert to fraction form
    87,804.42/121,170.40 = 47,518.18/x
  3. Step 3: Cross multiply
    87,804.42x = 121,170.40 × 47,518.18
  4. Step 4: Simplify right side
    87,804.42x = 5,757,796,877.87
  5. Step 5: Solve for x
    x = 5,757,796,877.87/87,804.42
  6. Step 6: Final answer
    x = 65,575.25

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1.5x scale

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.