Home / 56,378.16-84,578.40-25,213.68

Finding the Fourth Proportional to 56,378.16, 84,578.40 and 25,213.68

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Solution

The fourth proportional to 56,378.16, 84,578.40 and 25,213.68 is: 37,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,378.16 : 84,578.40 = 25,213.68 : x
  2. Step 2: Convert to fraction form
    56,378.16/84,578.40 = 25,213.68/x
  3. Step 3: Cross multiply
    56,378.16x = 84,578.40 × 25,213.68
  4. Step 4: Simplify right side
    56,378.16x = 2,132,532,712.51
  5. Step 5: Solve for x
    x = 2,132,532,712.51/56,378.16
  6. Step 6: Final answer
    x = 37,825.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.