Home / 68,925.02-103,242.20-31,516.53

Finding the Fourth Proportional to 68,925.02, 103,242.20 and 31,516.53

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Solution

The fourth proportional to 68,925.02, 103,242.20 and 31,516.53 is: 47,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,925.02 : 103,242.20 = 31,516.53 : x
  2. Step 2: Convert to fraction form
    68,925.02/103,242.20 = 31,516.53/x
  3. Step 3: Cross multiply
    68,925.02x = 103,242.20 × 31,516.53
  4. Step 4: Simplify right side
    68,925.02x = 3,253,835,735.98
  5. Step 5: Solve for x
    x = 3,253,835,735.98/68,925.02
  6. Step 6: Final answer
    x = 47,208.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.