Home / 89,774.10-123,939.81-59,600.16

Finding the Fourth Proportional to 89,774.10, 123,939.81 and 59,600.16

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Solution

The fourth proportional to 89,774.10, 123,939.81 and 59,600.16 is: 82,282.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,774.10 : 123,939.81 = 59,600.16 : x
  2. Step 2: Convert to fraction form
    89,774.10/123,939.81 = 59,600.16/x
  3. Step 3: Cross multiply
    89,774.10x = 123,939.81 × 59,600.16
  4. Step 4: Simplify right side
    89,774.10x = 7,386,832,506.37
  5. Step 5: Solve for x
    x = 7,386,832,506.37/89,774.10
  6. Step 6: Final answer
    x = 82,282.45

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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.