Home / 84,715.32-127,069.14-37,317.74

Finding the Fourth Proportional to 84,715.32, 127,069.14 and 37,317.74

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Solution

The fourth proportional to 84,715.32, 127,069.14 and 37,317.74 is: 55,974.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,715.32 : 127,069.14 = 37,317.74 : x
  2. Step 2: Convert to fraction form
    84,715.32/127,069.14 = 37,317.74/x
  3. Step 3: Cross multiply
    84,715.32x = 127,069.14 × 37,317.74
  4. Step 4: Simplify right side
    84,715.32x = 4,741,932,938.04
  5. Step 5: Solve for x
    x = 4,741,932,938.04/84,715.32
  6. Step 6: Final answer
    x = 55,974.91

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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.