Home / 89,234.48-123,142.74-48,947.44

Finding the Fourth Proportional to 89,234.48, 123,142.74 and 48,947.44

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Solution

The fourth proportional to 89,234.48, 123,142.74 and 48,947.44 is: 67,547.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,234.48 : 123,142.74 = 48,947.44 : x
  2. Step 2: Convert to fraction form
    89,234.48/123,142.74 = 48,947.44/x
  3. Step 3: Cross multiply
    89,234.48x = 123,142.74 × 48,947.44
  4. Step 4: Simplify right side
    89,234.48x = 6,027,521,877.59
  5. Step 5: Solve for x
    x = 6,027,521,877.59/89,234.48
  6. Step 6: Final answer
    x = 67,547.01

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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.