Home / 99,071.36-148,618.32-35,921.22

Finding the Fourth Proportional to 99,071.36, 148,618.32 and 35,921.22

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Solution

The fourth proportional to 99,071.36, 148,618.32 and 35,921.22 is: 53,885.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,071.36 : 148,618.32 = 35,921.22 : x
  2. Step 2: Convert to fraction form
    99,071.36/148,618.32 = 35,921.22/x
  3. Step 3: Cross multiply
    99,071.36x = 148,618.32 × 35,921.22
  4. Step 4: Simplify right side
    99,071.36x = 5,338,551,926.07
  5. Step 5: Solve for x
    x = 5,338,551,926.07/99,071.36
  6. Step 6: Final answer
    x = 53,885.92

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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.