Home / 73,041.42-109,624.29-28,699.18

Finding the Fourth Proportional to 73,041.42, 109,624.29 and 28,699.18

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Solution

The fourth proportional to 73,041.42, 109,624.29 and 28,699.18 is: 43,073.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,041.42 : 109,624.29 = 28,699.18 : x
  2. Step 2: Convert to fraction form
    73,041.42/109,624.29 = 28,699.18/x
  3. Step 3: Cross multiply
    73,041.42x = 109,624.29 × 28,699.18
  4. Step 4: Simplify right side
    73,041.42x = 3,146,127,231.08
  5. Step 5: Solve for x
    x = 3,146,127,231.08/73,041.42
  6. Step 6: Final answer
    x = 43,073.19

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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.