Home / 89,193.12-123,085.08-48,907.23

Finding the Fourth Proportional to 89,193.12, 123,085.08 and 48,907.23

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Solution

The fourth proportional to 89,193.12, 123,085.08 and 48,907.23 is: 67,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,193.12 : 123,085.08 = 48,907.23 : x
  2. Step 2: Convert to fraction form
    89,193.12/123,085.08 = 48,907.23/x
  3. Step 3: Cross multiply
    89,193.12x = 123,085.08 × 48,907.23
  4. Step 4: Simplify right side
    89,193.12x = 6,019,750,317.13
  5. Step 5: Solve for x
    x = 6,019,750,317.13/89,193.12
  6. Step 6: Final answer
    x = 67,491.20

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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.