Home / 104,578.35-144,318.08-56,831.70

Finding the Fourth Proportional to 104,578.35, 144,318.08 and 56,831.70

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Solution

The fourth proportional to 104,578.35, 144,318.08 and 56,831.70 is: 78,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,578.35 : 144,318.08 = 56,831.70 : x
  2. Step 2: Convert to fraction form
    104,578.35/144,318.08 = 56,831.70/x
  3. Step 3: Cross multiply
    104,578.35x = 144,318.08 × 56,831.70
  4. Step 4: Simplify right side
    104,578.35x = 8,201,841,944.67
  5. Step 5: Solve for x
    x = 8,201,841,944.67/104,578.35
  6. Step 6: Final answer
    x = 78,427.72

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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.