Home / 89,602.21-134,386.57-36,280.09

Finding the Fourth Proportional to 89,602.21, 134,386.57 and 36,280.09

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Solution

The fourth proportional to 89,602.21, 134,386.57 and 36,280.09 is: 54,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,602.21 : 134,386.57 = 36,280.09 : x
  2. Step 2: Convert to fraction form
    89,602.21/134,386.57 = 36,280.09/x
  3. Step 3: Cross multiply
    89,602.21x = 134,386.57 × 36,280.09
  4. Step 4: Simplify right side
    89,602.21x = 4,875,556,427.72
  5. Step 5: Solve for x
    x = 4,875,556,427.72/89,602.21
  6. Step 6: Final answer
    x = 54,413.35

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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.