Home / 69,921.48-96,628.56-62,145.48

Finding the Fourth Proportional to 69,921.48, 96,628.56 and 62,145.48

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Solution

The fourth proportional to 69,921.48, 96,628.56 and 62,145.48 is: 85,882.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,921.48 : 96,628.56 = 62,145.48 : x
  2. Step 2: Convert to fraction form
    69,921.48/96,628.56 = 62,145.48/x
  3. Step 3: Cross multiply
    69,921.48x = 96,628.56 × 62,145.48
  4. Step 4: Simplify right side
    69,921.48x = 6,005,028,242.91
  5. Step 5: Solve for x
    x = 6,005,028,242.91/69,921.48
  6. Step 6: Final answer
    x = 85,882.45

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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.