Home / 73,011.54-109,563.38-28,637.11

Finding the Fourth Proportional to 73,011.54, 109,563.38 and 28,637.11

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Solution

The fourth proportional to 73,011.54, 109,563.38 and 28,637.11 is: 42,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,011.54 : 109,563.38 = 28,637.11 : x
  2. Step 2: Convert to fraction form
    73,011.54/109,563.38 = 28,637.11/x
  3. Step 3: Cross multiply
    73,011.54x = 109,563.38 × 28,637.11
  4. Step 4: Simplify right side
    73,011.54x = 3,137,578,565.03
  5. Step 5: Solve for x
    x = 3,137,578,565.03/73,011.54
  6. Step 6: Final answer
    x = 42,973.73

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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.