Home / 73,130.10-109,695.15-41,637.30

Finding the Fourth Proportional to 73,130.10, 109,695.15 and 41,637.30

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Solution

The fourth proportional to 73,130.10, 109,695.15 and 41,637.30 is: 62,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,130.10 : 109,695.15 = 41,637.30 : x
  2. Step 2: Convert to fraction form
    73,130.10/109,695.15 = 41,637.30/x
  3. Step 3: Cross multiply
    73,130.10x = 109,695.15 × 41,637.30
  4. Step 4: Simplify right side
    73,130.10x = 4,567,409,869.10
  5. Step 5: Solve for x
    x = 4,567,409,869.10/73,130.10
  6. Step 6: Final answer
    x = 62,455.95

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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.