Home / 112,401.62-168,685.55-53,237.39

Finding the Fourth Proportional to 112,401.62, 168,685.55 and 53,237.39

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Solution

The fourth proportional to 112,401.62, 168,685.55 and 53,237.39 is: 79,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,401.62 : 168,685.55 = 53,237.39 : x
  2. Step 2: Convert to fraction form
    112,401.62/168,685.55 = 53,237.39/x
  3. Step 3: Cross multiply
    112,401.62x = 168,685.55 × 53,237.39
  4. Step 4: Simplify right side
    112,401.62x = 8,980,378,412.71
  5. Step 5: Solve for x
    x = 8,980,378,412.71/112,401.62
  6. Step 6: Final answer
    x = 79,895.45

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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.