Home / 97,453.43-134,484.71-57,159.47

Finding the Fourth Proportional to 97,453.43, 134,484.71 and 57,159.47

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Solution

The fourth proportional to 97,453.43, 134,484.71 and 57,159.47 is: 78,879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,453.43 : 134,484.71 = 57,159.47 : x
  2. Step 2: Convert to fraction form
    97,453.43/134,484.71 = 57,159.47/x
  3. Step 3: Cross multiply
    97,453.43x = 134,484.71 × 57,159.47
  4. Step 4: Simplify right side
    97,453.43x = 7,687,074,797.12
  5. Step 5: Solve for x
    x = 7,687,074,797.12/97,453.43
  6. Step 6: Final answer
    x = 78,879.47

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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.