Home / 84,715.56-127,071.18-22,386.60

Finding the Fourth Proportional to 84,715.56, 127,071.18 and 22,386.60

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Solution

The fourth proportional to 84,715.56, 127,071.18 and 22,386.60 is: 33,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,715.56 : 127,071.18 = 22,386.60 : x
  2. Step 2: Convert to fraction form
    84,715.56/127,071.18 = 22,386.60/x
  3. Step 3: Cross multiply
    84,715.56x = 127,071.18 × 22,386.60
  4. Step 4: Simplify right side
    84,715.56x = 2,844,691,678.19
  5. Step 5: Solve for x
    x = 2,844,691,678.19/84,715.56
  6. Step 6: Final answer
    x = 33,579.33

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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.