Home / 87,886.22-121,282.38-47,599.06

Finding the Fourth Proportional to 87,886.22, 121,282.38 and 47,599.06

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Solution

The fourth proportional to 87,886.22, 121,282.38 and 47,599.06 is: 65,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,886.22 : 121,282.38 = 47,599.06 : x
  2. Step 2: Convert to fraction form
    87,886.22/121,282.38 = 47,599.06/x
  3. Step 3: Cross multiply
    87,886.22x = 121,282.38 × 47,599.06
  4. Step 4: Simplify right side
    87,886.22x = 5,772,927,282.56
  5. Step 5: Solve for x
    x = 5,772,927,282.56/87,886.22
  6. Step 6: Final answer
    x = 65,686.38

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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.