Home / 89,248.45-123,162.36-48,961.18

Finding the Fourth Proportional to 89,248.45, 123,162.36 and 48,961.18

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Solution

The fourth proportional to 89,248.45, 123,162.36 and 48,961.18 is: 67,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,248.45 : 123,162.36 = 48,961.18 : x
  2. Step 2: Convert to fraction form
    89,248.45/123,162.36 = 48,961.18/x
  3. Step 3: Cross multiply
    89,248.45x = 123,162.36 × 48,961.18
  4. Step 4: Simplify right side
    89,248.45x = 6,030,174,477.18
  5. Step 5: Solve for x
    x = 6,030,174,477.18/89,248.45
  6. Step 6: Final answer
    x = 67,566.15

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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.