Home / 54,780.95-75,597.37-30,580.52

Finding the Fourth Proportional to 54,780.95, 75,597.37 and 30,580.52

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Solution

The fourth proportional to 54,780.95, 75,597.37 and 30,580.52 is: 42,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,780.95 : 75,597.37 = 30,580.52 : x
  2. Step 2: Convert to fraction form
    54,780.95/75,597.37 = 30,580.52/x
  3. Step 3: Cross multiply
    54,780.95x = 75,597.37 × 30,580.52
  4. Step 4: Simplify right side
    54,780.95x = 2,311,806,430.79
  5. Step 5: Solve for x
    x = 2,311,806,430.79/54,780.95
  6. Step 6: Final answer
    x = 42,200.92

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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.