Home / 91,055.54-136,603.37-27,876.14

Finding the Fourth Proportional to 91,055.54, 136,603.37 and 27,876.14

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Solution

The fourth proportional to 91,055.54, 136,603.37 and 27,876.14 is: 41,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,055.54 : 136,603.37 = 27,876.14 : x
  2. Step 2: Convert to fraction form
    91,055.54/136,603.37 = 27,876.14/x
  3. Step 3: Cross multiply
    91,055.54x = 136,603.37 × 27,876.14
  4. Step 4: Simplify right side
    91,055.54x = 3,807,974,666.59
  5. Step 5: Solve for x
    x = 3,807,974,666.59/91,055.54
  6. Step 6: Final answer
    x = 41,820.35

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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.