Home / 88,130.43-121,622.11-47,845.89

Finding the Fourth Proportional to 88,130.43, 121,622.11 and 47,845.89

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Solution

The fourth proportional to 88,130.43, 121,622.11 and 47,845.89 is: 66,028.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,130.43 : 121,622.11 = 47,845.89 : x
  2. Step 2: Convert to fraction form
    88,130.43/121,622.11 = 47,845.89/x
  3. Step 3: Cross multiply
    88,130.43x = 121,622.11 × 47,845.89
  4. Step 4: Simplify right side
    88,130.43x = 5,819,117,977.01
  5. Step 5: Solve for x
    x = 5,819,117,977.01/88,130.43
  6. Step 6: Final answer
    x = 66,028.48

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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.