Home / 89,475.60-123,476.58-51,235.73

Finding the Fourth Proportional to 89,475.60, 123,476.58 and 51,235.73

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Solution

The fourth proportional to 89,475.60, 123,476.58 and 51,235.73 is: 70,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,475.60 : 123,476.58 = 51,235.73 : x
  2. Step 2: Convert to fraction form
    89,475.60/123,476.58 = 51,235.73/x
  3. Step 3: Cross multiply
    89,475.60x = 123,476.58 × 51,235.73
  4. Step 4: Simplify right side
    89,475.60x = 6,326,412,714.20
  5. Step 5: Solve for x
    x = 6,326,412,714.20/89,475.60
  6. Step 6: Final answer
    x = 70,705.45

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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.