Home / 89,437.28-123,421.19-48,599.60

Finding the Fourth Proportional to 89,437.28, 123,421.19 and 48,599.60

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Solution

The fourth proportional to 89,437.28, 123,421.19 and 48,599.60 is: 67,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,437.28 : 123,421.19 = 48,599.60 : x
  2. Step 2: Convert to fraction form
    89,437.28/123,421.19 = 48,599.60/x
  3. Step 3: Cross multiply
    89,437.28x = 123,421.19 × 48,599.60
  4. Step 4: Simplify right side
    89,437.28x = 5,998,219,605.42
  5. Step 5: Solve for x
    x = 5,998,219,605.42/89,437.28
  6. Step 6: Final answer
    x = 67,066.22

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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.