Home / 56,348.93-77,759.12-30,854.84

Finding the Fourth Proportional to 56,348.93, 77,759.12 and 30,854.84

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Solution

The fourth proportional to 56,348.93, 77,759.12 and 30,854.84 is: 42,578.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,348.93 : 77,759.12 = 30,854.84 : x
  2. Step 2: Convert to fraction form
    56,348.93/77,759.12 = 30,854.84/x
  3. Step 3: Cross multiply
    56,348.93x = 77,759.12 × 30,854.84
  4. Step 4: Simplify right side
    56,348.93x = 2,399,244,663.07
  5. Step 5: Solve for x
    x = 2,399,244,663.07/56,348.93
  6. Step 6: Final answer
    x = 42,578.36

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1.5x scale

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.