Home / 55,806.84-77,010.66-30,657.24

Finding the Fourth Proportional to 55,806.84, 77,010.66 and 30,657.24

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Solution

The fourth proportional to 55,806.84, 77,010.66 and 30,657.24 is: 42,305.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,806.84 : 77,010.66 = 30,657.24 : x
  2. Step 2: Convert to fraction form
    55,806.84/77,010.66 = 30,657.24/x
  3. Step 3: Cross multiply
    55,806.84x = 77,010.66 × 30,657.24
  4. Step 4: Simplify right side
    55,806.84x = 2,360,934,286.18
  5. Step 5: Solve for x
    x = 2,360,934,286.18/55,806.84
  6. Step 6: Final answer
    x = 42,305.46

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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.