Home / 98,829.49-136,374.23-55,806.38

Finding the Fourth Proportional to 98,829.49, 136,374.23 and 55,806.38

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Solution

The fourth proportional to 98,829.49, 136,374.23 and 55,806.38 is: 77,006.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,829.49 : 136,374.23 = 55,806.38 : x
  2. Step 2: Convert to fraction form
    98,829.49/136,374.23 = 55,806.38/x
  3. Step 3: Cross multiply
    98,829.49x = 136,374.23 × 55,806.38
  4. Step 4: Simplify right side
    98,829.49x = 7,610,551,703.45
  5. Step 5: Solve for x
    x = 7,610,551,703.45/98,829.49
  6. Step 6: Final answer
    x = 77,006.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.