Home / 54,806.29-75,631.89-30,607.00

Finding the Fourth Proportional to 54,806.29, 75,631.89 and 30,607.00

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Solution

The fourth proportional to 54,806.29, 75,631.89 and 30,607.00 is: 42,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,806.29 : 75,631.89 = 30,607.00 : x
  2. Step 2: Convert to fraction form
    54,806.29/75,631.89 = 30,607.00/x
  3. Step 3: Cross multiply
    54,806.29x = 75,631.89 × 30,607.00
  4. Step 4: Simplify right side
    54,806.29x = 2,314,865,479.23
  5. Step 5: Solve for x
    x = 2,314,865,479.23/54,806.29
  6. Step 6: Final answer
    x = 42,237.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.