Home / 87,811.51-121,180.05-47,525.35

Finding the Fourth Proportional to 87,811.51, 121,180.05 and 47,525.35

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Solution

The fourth proportional to 87,811.51, 121,180.05 and 47,525.35 is: 65,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,811.51 : 121,180.05 = 47,525.35 : x
  2. Step 2: Convert to fraction form
    87,811.51/121,180.05 = 47,525.35/x
  3. Step 3: Cross multiply
    87,811.51x = 121,180.05 × 47,525.35
  4. Step 4: Simplify right side
    87,811.51x = 5,759,124,289.27
  5. Step 5: Solve for x
    x = 5,759,124,289.27/87,811.51
  6. Step 6: Final answer
    x = 65,585.07

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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.