Home / 89,459.48-123,403.02-55,452.44

Finding the Fourth Proportional to 89,459.48, 123,403.02 and 55,452.44

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Solution

The fourth proportional to 89,459.48, 123,403.02 and 55,452.44 is: 76,492.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,459.48 : 123,403.02 = 55,452.44 : x
  2. Step 2: Convert to fraction form
    89,459.48/123,403.02 = 55,452.44/x
  3. Step 3: Cross multiply
    89,459.48x = 123,403.02 × 55,452.44
  4. Step 4: Simplify right side
    89,459.48x = 6,842,998,562.37
  5. Step 5: Solve for x
    x = 6,842,998,562.37/89,459.48
  6. Step 6: Final answer
    x = 76,492.72

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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.