Home / 71,295.16-106,904.38-28,579.15

Finding the Fourth Proportional to 71,295.16, 106,904.38 and 28,579.15

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Solution

The fourth proportional to 71,295.16, 106,904.38 and 28,579.15 is: 42,853.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,295.16 : 106,904.38 = 28,579.15 : x
  2. Step 2: Convert to fraction form
    71,295.16/106,904.38 = 28,579.15/x
  3. Step 3: Cross multiply
    71,295.16x = 106,904.38 × 28,579.15
  4. Step 4: Simplify right side
    71,295.16x = 3,055,236,808.49
  5. Step 5: Solve for x
    x = 3,055,236,808.49/71,295.16
  6. Step 6: Final answer
    x = 42,853.35

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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.