Home / 89,461.21-123,459.14-51,233.13

Finding the Fourth Proportional to 89,461.21, 123,459.14 and 51,233.13

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Solution

The fourth proportional to 89,461.21, 123,459.14 and 51,233.13 is: 70,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,461.21 : 123,459.14 = 51,233.13 : x
  2. Step 2: Convert to fraction form
    89,461.21/123,459.14 = 51,233.13/x
  3. Step 3: Cross multiply
    89,461.21x = 123,459.14 × 51,233.13
  4. Step 4: Simplify right side
    89,461.21x = 6,325,198,169.31
  5. Step 5: Solve for x
    x = 6,325,198,169.31/89,461.21
  6. Step 6: Final answer
    x = 70,703.25

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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.