Home / 89,810.88-123,946.08-49,528.32

Finding the Fourth Proportional to 89,810.88, 123,946.08 and 49,528.32

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Solution

The fourth proportional to 89,810.88, 123,946.08 and 49,528.32 is: 68,352.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,810.88 : 123,946.08 = 49,528.32 : x
  2. Step 2: Convert to fraction form
    89,810.88/123,946.08 = 49,528.32/x
  3. Step 3: Cross multiply
    89,810.88x = 123,946.08 × 49,528.32
  4. Step 4: Simplify right side
    89,810.88x = 6,138,841,112.99
  5. Step 5: Solve for x
    x = 6,138,841,112.99/89,810.88
  6. Step 6: Final answer
    x = 68,352.98

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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.