Home / 60,774.29-83,831.30-40,357.28

Finding the Fourth Proportional to 60,774.29, 83,831.30 and 40,357.28

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Solution

The fourth proportional to 60,774.29, 83,831.30 and 40,357.28 is: 55,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,774.29 : 83,831.30 = 40,357.28 : x
  2. Step 2: Convert to fraction form
    60,774.29/83,831.30 = 40,357.28/x
  3. Step 3: Cross multiply
    60,774.29x = 83,831.30 × 40,357.28
  4. Step 4: Simplify right side
    60,774.29x = 3,383,202,625.92
  5. Step 5: Solve for x
    x = 3,383,202,625.92/60,774.29
  6. Step 6: Final answer
    x = 55,668.32

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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.