Home / 77,767.68-116,670.05-25,177.17

Finding the Fourth Proportional to 77,767.68, 116,670.05 and 25,177.17

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Solution

The fourth proportional to 77,767.68, 116,670.05 and 25,177.17 is: 37,771.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,767.68 : 116,670.05 = 25,177.17 : x
  2. Step 2: Convert to fraction form
    77,767.68/116,670.05 = 25,177.17/x
  3. Step 3: Cross multiply
    77,767.68x = 116,670.05 × 25,177.17
  4. Step 4: Simplify right side
    77,767.68x = 2,937,421,682.76
  5. Step 5: Solve for x
    x = 2,937,421,682.76/77,767.68
  6. Step 6: Final answer
    x = 37,771.75

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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.