Home / 101,184.14-139,634.15-55,862.16

Finding the Fourth Proportional to 101,184.14, 139,634.15 and 55,862.16

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Solution

The fourth proportional to 101,184.14, 139,634.15 and 55,862.16 is: 77,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,184.14 : 139,634.15 = 55,862.16 : x
  2. Step 2: Convert to fraction form
    101,184.14/139,634.15 = 55,862.16/x
  3. Step 3: Cross multiply
    101,184.14x = 139,634.15 × 55,862.16
  4. Step 4: Simplify right side
    101,184.14x = 7,800,265,228.76
  5. Step 5: Solve for x
    x = 7,800,265,228.76/101,184.14
  6. Step 6: Final answer
    x = 77,089.80

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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.