Home / 97,758.12-134,897.22-55,309.80

Finding the Fourth Proportional to 97,758.12, 134,897.22 and 55,309.80

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Solution

The fourth proportional to 97,758.12, 134,897.22 and 55,309.80 is: 76,322.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,758.12 : 134,897.22 = 55,309.80 : x
  2. Step 2: Convert to fraction form
    97,758.12/134,897.22 = 55,309.80/x
  3. Step 3: Cross multiply
    97,758.12x = 134,897.22 × 55,309.80
  4. Step 4: Simplify right side
    97,758.12x = 7,461,138,258.76
  5. Step 5: Solve for x
    x = 7,461,138,258.76/97,758.12
  6. Step 6: Final answer
    x = 76,322.44

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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.