Home / 89,580.47-123,621.48-49,293.23

Finding the Fourth Proportional to 89,580.47, 123,621.48 and 49,293.23

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Solution

The fourth proportional to 89,580.47, 123,621.48 and 49,293.23 is: 68,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,580.47 : 123,621.48 = 49,293.23 : x
  2. Step 2: Convert to fraction form
    89,580.47/123,621.48 = 49,293.23/x
  3. Step 3: Cross multiply
    89,580.47x = 123,621.48 × 49,293.23
  4. Step 4: Simplify right side
    89,580.47x = 6,093,701,428.47
  5. Step 5: Solve for x
    x = 6,093,701,428.47/89,580.47
  6. Step 6: Final answer
    x = 68,024.89

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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.