Home / 54,729.75-75,526.93-30,856.26

Finding the Fourth Proportional to 54,729.75, 75,526.93 and 30,856.26

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Solution

The fourth proportional to 54,729.75, 75,526.93 and 30,856.26 is: 42,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,729.75 : 75,526.93 = 30,856.26 : x
  2. Step 2: Convert to fraction form
    54,729.75/75,526.93 = 30,856.26/x
  3. Step 3: Cross multiply
    54,729.75x = 75,526.93 × 30,856.26
  4. Step 4: Simplify right side
    54,729.75x = 2,330,478,589.08
  5. Step 5: Solve for x
    x = 2,330,478,589.08/54,729.75
  6. Step 6: Final answer
    x = 42,581.57

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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.