Home / 106,318.02-159,455.13-47,115.96

Finding the Fourth Proportional to 106,318.02, 159,455.13 and 47,115.96

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Solution

The fourth proportional to 106,318.02, 159,455.13 and 47,115.96 is: 70,664.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,318.02 : 159,455.13 = 47,115.96 : x
  2. Step 2: Convert to fraction form
    106,318.02/159,455.13 = 47,115.96/x
  3. Step 3: Cross multiply
    106,318.02x = 159,455.13 × 47,115.96
  4. Step 4: Simplify right side
    106,318.02x = 7,512,881,526.87
  5. Step 5: Solve for x
    x = 7,512,881,526.87/106,318.02
  6. Step 6: Final answer
    x = 70,664.23

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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.