Home / 89,284.56-123,156.36-53,450.16

Finding the Fourth Proportional to 89,284.56, 123,156.36 and 53,450.16

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Solution

The fourth proportional to 89,284.56, 123,156.36 and 53,450.16 is: 73,727.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,284.56 : 123,156.36 = 53,450.16 : x
  2. Step 2: Convert to fraction form
    89,284.56/123,156.36 = 53,450.16/x
  3. Step 3: Cross multiply
    89,284.56x = 123,156.36 × 53,450.16
  4. Step 4: Simplify right side
    89,284.56x = 6,582,727,147.02
  5. Step 5: Solve for x
    x = 6,582,727,147.02/89,284.56
  6. Step 6: Final answer
    x = 73,727.50

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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.