Home / 116,981.28-175,486.50-38,074.32

Finding the Fourth Proportional to 116,981.28, 175,486.50 and 38,074.32

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Solution

The fourth proportional to 116,981.28, 175,486.50 and 38,074.32 is: 57,116.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,981.28 : 175,486.50 = 38,074.32 : x
  2. Step 2: Convert to fraction form
    116,981.28/175,486.50 = 38,074.32/x
  3. Step 3: Cross multiply
    116,981.28x = 175,486.50 × 38,074.32
  4. Step 4: Simplify right side
    116,981.28x = 6,681,529,156.68
  5. Step 5: Solve for x
    x = 6,681,529,156.68/116,981.28
  6. Step 6: Final answer
    x = 57,116.23

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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.