Home / 70,814.03-106,155.43-35,712.95

Finding the Fourth Proportional to 70,814.03, 106,155.43 and 35,712.95

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Solution

The fourth proportional to 70,814.03, 106,155.43 and 35,712.95 is: 53,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,814.03 : 106,155.43 = 35,712.95 : x
  2. Step 2: Convert to fraction form
    70,814.03/106,155.43 = 35,712.95/x
  3. Step 3: Cross multiply
    70,814.03x = 106,155.43 × 35,712.95
  4. Step 4: Simplify right side
    70,814.03x = 3,791,122,943.76
  5. Step 5: Solve for x
    x = 3,791,122,943.76/70,814.03
  6. Step 6: Final answer
    x = 53,536.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.