Home / 73,365.28-101,244.72-39,831.36

Finding the Fourth Proportional to 73,365.28, 101,244.72 and 39,831.36

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Solution

The fourth proportional to 73,365.28, 101,244.72 and 39,831.36 is: 54,967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,365.28 : 101,244.72 = 39,831.36 : x
  2. Step 2: Convert to fraction form
    73,365.28/101,244.72 = 39,831.36/x
  3. Step 3: Cross multiply
    73,365.28x = 101,244.72 × 39,831.36
  4. Step 4: Simplify right side
    73,365.28x = 4,032,714,890.42
  5. Step 5: Solve for x
    x = 4,032,714,890.42/73,365.28
  6. Step 6: Final answer
    x = 54,967.62

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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.