Home / 73,140.61-109,705.45-26,393.49

Finding the Fourth Proportional to 73,140.61, 109,705.45 and 26,393.49

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Solution

The fourth proportional to 73,140.61, 109,705.45 and 26,393.49 is: 39,588.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,140.61 : 109,705.45 = 26,393.49 : x
  2. Step 2: Convert to fraction form
    73,140.61/109,705.45 = 26,393.49/x
  3. Step 3: Cross multiply
    73,140.61x = 109,705.45 × 26,393.49
  4. Step 4: Simplify right side
    73,140.61x = 2,895,509,017.03
  5. Step 5: Solve for x
    x = 2,895,509,017.03/73,140.61
  6. Step 6: Final answer
    x = 39,588.25

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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.