Home / 117,213.04-175,882.74-77,788.72

Finding the Fourth Proportional to 117,213.04, 175,882.74 and 77,788.72

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Solution

The fourth proportional to 117,213.04, 175,882.74 and 77,788.72 is: 116,725.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,213.04 : 175,882.74 = 77,788.72 : x
  2. Step 2: Convert to fraction form
    117,213.04/175,882.74 = 77,788.72/x
  3. Step 3: Cross multiply
    117,213.04x = 175,882.74 × 77,788.72
  4. Step 4: Simplify right side
    117,213.04x = 13,681,693,214.69
  5. Step 5: Solve for x
    x = 13,681,693,214.69/117,213.04
  6. Step 6: Final answer
    x = 116,725.01

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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.