Home / 89,587.42-123,631.58-51,346.14

Finding the Fourth Proportional to 89,587.42, 123,631.58 and 51,346.14

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Solution

The fourth proportional to 89,587.42, 123,631.58 and 51,346.14 is: 70,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,587.42 : 123,631.58 = 51,346.14 : x
  2. Step 2: Convert to fraction form
    89,587.42/123,631.58 = 51,346.14/x
  3. Step 3: Cross multiply
    89,587.42x = 123,631.58 × 51,346.14
  4. Step 4: Simplify right side
    89,587.42x = 6,348,004,415.10
  5. Step 5: Solve for x
    x = 6,348,004,415.10/89,587.42
  6. Step 6: Final answer
    x = 70,858.21

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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.