Home / 89,324.64-123,232.92-53,516.16

Finding the Fourth Proportional to 89,324.64, 123,232.92 and 53,516.16

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Solution

The fourth proportional to 89,324.64, 123,232.92 and 53,516.16 is: 73,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,324.64 : 123,232.92 = 53,516.16 : x
  2. Step 2: Convert to fraction form
    89,324.64/123,232.92 = 53,516.16/x
  3. Step 3: Cross multiply
    89,324.64x = 123,232.92 × 53,516.16
  4. Step 4: Simplify right side
    89,324.64x = 6,594,952,663.99
  5. Step 5: Solve for x
    x = 6,594,952,663.99/89,324.64
  6. Step 6: Final answer
    x = 73,831.28

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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.