Home / 54,535.95-75,257.69-30,663.99

Finding the Fourth Proportional to 54,535.95, 75,257.69 and 30,663.99

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Solution

The fourth proportional to 54,535.95, 75,257.69 and 30,663.99 is: 42,315.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,535.95 : 75,257.69 = 30,663.99 : x
  2. Step 2: Convert to fraction form
    54,535.95/75,257.69 = 30,663.99/x
  3. Step 3: Cross multiply
    54,535.95x = 75,257.69 × 30,663.99
  4. Step 4: Simplify right side
    54,535.95x = 2,307,700,900.26
  5. Step 5: Solve for x
    x = 2,307,700,900.26/54,535.95
  6. Step 6: Final answer
    x = 42,315.22

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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.