Home / 89,590.05-123,634.29-49,303.80

Finding the Fourth Proportional to 89,590.05, 123,634.29 and 49,303.80

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Solution

The fourth proportional to 89,590.05, 123,634.29 and 49,303.80 is: 68,039.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,590.05 : 123,634.29 = 49,303.80 : x
  2. Step 2: Convert to fraction form
    89,590.05/123,634.29 = 49,303.80/x
  3. Step 3: Cross multiply
    89,590.05x = 123,634.29 × 49,303.80
  4. Step 4: Simplify right side
    89,590.05x = 6,095,640,307.30
  5. Step 5: Solve for x
    x = 6,095,640,307.30/89,590.05
  6. Step 6: Final answer
    x = 68,039.26

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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.