Home / 89,511.40-123,528.90-49,228.28

Finding the Fourth Proportional to 89,511.40, 123,528.90 and 49,228.28

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Solution

The fourth proportional to 89,511.40, 123,528.90 and 49,228.28 is: 67,936.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,511.40 : 123,528.90 = 49,228.28 : x
  2. Step 2: Convert to fraction form
    89,511.40/123,528.90 = 49,228.28/x
  3. Step 3: Cross multiply
    89,511.40x = 123,528.90 × 49,228.28
  4. Step 4: Simplify right side
    89,511.40x = 6,081,114,413.51
  5. Step 5: Solve for x
    x = 6,081,114,413.51/89,511.40
  6. Step 6: Final answer
    x = 67,936.76

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1.5x scale

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.