Home / 56,828.17-78,390.75-35,570.53

Finding the Fourth Proportional to 56,828.17, 78,390.75 and 35,570.53

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Solution

The fourth proportional to 56,828.17, 78,390.75 and 35,570.53 is: 49,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,828.17 : 78,390.75 = 35,570.53 : x
  2. Step 2: Convert to fraction form
    56,828.17/78,390.75 = 35,570.53/x
  3. Step 3: Cross multiply
    56,828.17x = 78,390.75 × 35,570.53
  4. Step 4: Simplify right side
    56,828.17x = 2,788,400,524.60
  5. Step 5: Solve for x
    x = 2,788,400,524.60/56,828.17
  6. Step 6: Final answer
    x = 49,067.22

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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.