Home / 88,256.14-121,794.30-47,970

Finding the Fourth Proportional to 88,256.14, 121,794.30 and 47,970

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Solution

The fourth proportional to 88,256.14, 121,794.30 and 47,970 is: 66,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,256.14 : 121,794.30 = 47,970 : x
  2. Step 2: Convert to fraction form
    88,256.14/121,794.30 = 47,970/x
  3. Step 3: Cross multiply
    88,256.14x = 121,794.30 × 47,970
  4. Step 4: Simplify right side
    88,256.14x = 5,842,472,571
  5. Step 5: Solve for x
    x = 5,842,472,571/88,256.14
  6. Step 6: Final answer
    x = 66,199.05

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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.