Home / 111,705.10-167,677.02-45,188.71

Finding the Fourth Proportional to 111,705.10, 167,677.02 and 45,188.71

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Solution

The fourth proportional to 111,705.10, 167,677.02 and 45,188.71 is: 67,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,705.10 : 167,677.02 = 45,188.71 : x
  2. Step 2: Convert to fraction form
    111,705.10/167,677.02 = 45,188.71/x
  3. Step 3: Cross multiply
    111,705.10x = 167,677.02 × 45,188.71
  4. Step 4: Simplify right side
    111,705.10x = 7,577,107,811.25
  5. Step 5: Solve for x
    x = 7,577,107,811.25/111,705.10
  6. Step 6: Final answer
    x = 67,831.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.