Home / 88,258.30-121,798.83-47,974.78

Finding the Fourth Proportional to 88,258.30, 121,798.83 and 47,974.78

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Solution

The fourth proportional to 88,258.30, 121,798.83 and 47,974.78 is: 66,206.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,258.30 : 121,798.83 = 47,974.78 : x
  2. Step 2: Convert to fraction form
    88,258.30/121,798.83 = 47,974.78/x
  3. Step 3: Cross multiply
    88,258.30x = 121,798.83 × 47,974.78
  4. Step 4: Simplify right side
    88,258.30x = 5,843,272,073.51
  5. Step 5: Solve for x
    x = 5,843,272,073.51/88,258.30
  6. Step 6: Final answer
    x = 66,206.49

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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.