Home / 97,695.72-134,880.57-74,991.24

Finding the Fourth Proportional to 97,695.72, 134,880.57 and 74,991.24

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Solution

The fourth proportional to 97,695.72, 134,880.57 and 74,991.24 is: 103,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,695.72 : 134,880.57 = 74,991.24 : x
  2. Step 2: Convert to fraction form
    97,695.72/134,880.57 = 74,991.24/x
  3. Step 3: Cross multiply
    97,695.72x = 134,880.57 × 74,991.24
  4. Step 4: Simplify right side
    97,695.72x = 10,114,861,196.21
  5. Step 5: Solve for x
    x = 10,114,861,196.21/97,695.72
  6. Step 6: Final answer
    x = 103,534.33

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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.