Home / 73,116.17-109,681.47-30,412.83

Finding the Fourth Proportional to 73,116.17, 109,681.47 and 30,412.83

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Solution

The fourth proportional to 73,116.17, 109,681.47 and 30,412.83 is: 45,622.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,116.17 : 109,681.47 = 30,412.83 : x
  2. Step 2: Convert to fraction form
    73,116.17/109,681.47 = 30,412.83/x
  3. Step 3: Cross multiply
    73,116.17x = 109,681.47 × 30,412.83
  4. Step 4: Simplify right side
    73,116.17x = 3,335,723,901.26
  5. Step 5: Solve for x
    x = 3,335,723,901.26/73,116.17
  6. Step 6: Final answer
    x = 45,622.25

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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.