Home / 71,052.32-106,615.85-28,963.51

Finding the Fourth Proportional to 71,052.32, 106,615.85 and 28,963.51

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Solution

The fourth proportional to 71,052.32, 106,615.85 and 28,963.51 is: 43,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,052.32 : 106,615.85 = 28,963.51 : x
  2. Step 2: Convert to fraction form
    71,052.32/106,615.85 = 28,963.51/x
  3. Step 3: Cross multiply
    71,052.32x = 106,615.85 × 28,963.51
  4. Step 4: Simplify right side
    71,052.32x = 3,087,968,826.28
  5. Step 5: Solve for x
    x = 3,087,968,826.28/71,052.32
  6. Step 6: Final answer
    x = 43,460.49

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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.