Home / 88,260.30-121,801.59-47,976.78

Finding the Fourth Proportional to 88,260.30, 121,801.59 and 47,976.78

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Solution

The fourth proportional to 88,260.30, 121,801.59 and 47,976.78 is: 66,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,260.30 : 121,801.59 = 47,976.78 : x
  2. Step 2: Convert to fraction form
    88,260.30/121,801.59 = 47,976.78/x
  3. Step 3: Cross multiply
    88,260.30x = 121,801.59 × 47,976.78
  4. Step 4: Simplify right side
    88,260.30x = 5,843,648,087.08
  5. Step 5: Solve for x
    x = 5,843,648,087.08/88,260.30
  6. Step 6: Final answer
    x = 66,209.25

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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.