Home / 65,518.19-90,389.39-36,831.27

Finding the Fourth Proportional to 65,518.19, 90,389.39 and 36,831.27

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Solution

The fourth proportional to 65,518.19, 90,389.39 and 36,831.27 is: 50,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,518.19 : 90,389.39 = 36,831.27 : x
  2. Step 2: Convert to fraction form
    65,518.19/90,389.39 = 36,831.27/x
  3. Step 3: Cross multiply
    65,518.19x = 90,389.39 × 36,831.27
  4. Step 4: Simplify right side
    65,518.19x = 3,329,156,028.23
  5. Step 5: Solve for x
    x = 3,329,156,028.23/65,518.19
  6. Step 6: Final answer
    x = 50,812.70

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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.