Home / 97,185.64-134,113.44-54,743.20

Finding the Fourth Proportional to 97,185.64, 134,113.44 and 54,743.20

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Solution

The fourth proportional to 97,185.64, 134,113.44 and 54,743.20 is: 75,544.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,185.64 : 134,113.44 = 54,743.20 : x
  2. Step 2: Convert to fraction form
    97,185.64/134,113.44 = 54,743.20/x
  3. Step 3: Cross multiply
    97,185.64x = 134,113.44 × 54,743.20
  4. Step 4: Simplify right side
    97,185.64x = 7,341,798,868.61
  5. Step 5: Solve for x
    x = 7,341,798,868.61/97,185.64
  6. Step 6: Final answer
    x = 75,544.07

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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.