Home / 89,232.59-123,140.99-51,506.84

Finding the Fourth Proportional to 89,232.59, 123,140.99 and 51,506.84

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Solution

The fourth proportional to 89,232.59, 123,140.99 and 51,506.84 is: 71,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,232.59 : 123,140.99 = 51,506.84 : x
  2. Step 2: Convert to fraction form
    89,232.59/123,140.99 = 51,506.84/x
  3. Step 3: Cross multiply
    89,232.59x = 123,140.99 × 51,506.84
  4. Step 4: Simplify right side
    89,232.59x = 6,342,603,269.37
  5. Step 5: Solve for x
    x = 6,342,603,269.37/89,232.59
  6. Step 6: Final answer
    x = 71,079.45

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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.