Home / 97,743.76-134,850-55,270.48

Finding the Fourth Proportional to 97,743.76, 134,850 and 55,270.48

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Solution

The fourth proportional to 97,743.76, 134,850 and 55,270.48 is: 76,252.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,743.76 : 134,850 = 55,270.48 : x
  2. Step 2: Convert to fraction form
    97,743.76/134,850 = 55,270.48/x
  3. Step 3: Cross multiply
    97,743.76x = 134,850 × 55,270.48
  4. Step 4: Simplify right side
    97,743.76x = 7,453,224,228
  5. Step 5: Solve for x
    x = 7,453,224,228/97,743.76
  6. Step 6: Final answer
    x = 76,252.69

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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.