Home / 93,583.28-129,150.16-61,729.63

Finding the Fourth Proportional to 93,583.28, 129,150.16 and 61,729.63

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Solution

The fourth proportional to 93,583.28, 129,150.16 and 61,729.63 is: 85,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,583.28 : 129,150.16 = 61,729.63 : x
  2. Step 2: Convert to fraction form
    93,583.28/129,150.16 = 61,729.63/x
  3. Step 3: Cross multiply
    93,583.28x = 129,150.16 × 61,729.63
  4. Step 4: Simplify right side
    93,583.28x = 7,972,391,114.04
  5. Step 5: Solve for x
    x = 7,972,391,114.04/93,583.28
  6. Step 6: Final answer
    x = 85,190.33

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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.