Home / 92,831.56-128,107.62-50,390.04

Finding the Fourth Proportional to 92,831.56, 128,107.62 and 50,390.04

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Solution

The fourth proportional to 92,831.56, 128,107.62 and 50,390.04 is: 69,538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,831.56 : 128,107.62 = 50,390.04 : x
  2. Step 2: Convert to fraction form
    92,831.56/128,107.62 = 50,390.04/x
  3. Step 3: Cross multiply
    92,831.56x = 128,107.62 × 50,390.04
  4. Step 4: Simplify right side
    92,831.56x = 6,455,348,096.10
  5. Step 5: Solve for x
    x = 6,455,348,096.10/92,831.56
  6. Step 6: Final answer
    x = 69,538.29

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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.