Home / 88,258.96-121,798.17-47,972.81

Finding the Fourth Proportional to 88,258.96, 121,798.17 and 47,972.81

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Solution

The fourth proportional to 88,258.96, 121,798.17 and 47,972.81 is: 66,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,258.96 : 121,798.17 = 47,972.81 : x
  2. Step 2: Convert to fraction form
    88,258.96/121,798.17 = 47,972.81/x
  3. Step 3: Cross multiply
    88,258.96x = 121,798.17 × 47,972.81
  4. Step 4: Simplify right side
    88,258.96x = 5,843,000,467.76
  5. Step 5: Solve for x
    x = 5,843,000,467.76/88,258.96
  6. Step 6: Final answer
    x = 66,202.92

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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.