Home / 104,148.14-143,724.51-56,401.56

Finding the Fourth Proportional to 104,148.14, 143,724.51 and 56,401.56

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Solution

The fourth proportional to 104,148.14, 143,724.51 and 56,401.56 is: 77,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,148.14 : 143,724.51 = 56,401.56 : x
  2. Step 2: Convert to fraction form
    104,148.14/143,724.51 = 56,401.56/x
  3. Step 3: Cross multiply
    104,148.14x = 143,724.51 × 56,401.56
  4. Step 4: Simplify right side
    104,148.14x = 8,106,286,574.24
  5. Step 5: Solve for x
    x = 8,106,286,574.24/104,148.14
  6. Step 6: Final answer
    x = 77,834.20

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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.