Home / 103,834.35-143,291.46-56,087.70

Finding the Fourth Proportional to 103,834.35, 143,291.46 and 56,087.70

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Solution

The fourth proportional to 103,834.35, 143,291.46 and 56,087.70 is: 77,401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,834.35 : 143,291.46 = 56,087.70 : x
  2. Step 2: Convert to fraction form
    103,834.35/143,291.46 = 56,087.70/x
  3. Step 3: Cross multiply
    103,834.35x = 143,291.46 × 56,087.70
  4. Step 4: Simplify right side
    103,834.35x = 8,036,888,421.04
  5. Step 5: Solve for x
    x = 8,036,888,421.04/103,834.35
  6. Step 6: Final answer
    x = 77,401.06

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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.