Home / 64,623.36-96,935.07-20,253.57

Finding the Fourth Proportional to 64,623.36, 96,935.07 and 20,253.57

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Solution

The fourth proportional to 64,623.36, 96,935.07 and 20,253.57 is: 30,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,623.36 : 96,935.07 = 20,253.57 : x
  2. Step 2: Convert to fraction form
    64,623.36/96,935.07 = 20,253.57/x
  3. Step 3: Cross multiply
    64,623.36x = 96,935.07 × 20,253.57
  4. Step 4: Simplify right side
    64,623.36x = 1,963,280,741.02
  5. Step 5: Solve for x
    x = 1,963,280,741.02/64,623.36
  6. Step 6: Final answer
    x = 30,380.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.