Home / 88,580.25-122,240.75-56,755.28

Finding the Fourth Proportional to 88,580.25, 122,240.75 and 56,755.28

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Solution

The fourth proportional to 88,580.25, 122,240.75 and 56,755.28 is: 78,322.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,580.25 : 122,240.75 = 56,755.28 : x
  2. Step 2: Convert to fraction form
    88,580.25/122,240.75 = 56,755.28/x
  3. Step 3: Cross multiply
    88,580.25x = 122,240.75 × 56,755.28
  4. Step 4: Simplify right side
    88,580.25x = 6,937,808,015.49
  5. Step 5: Solve for x
    x = 6,937,808,015.49/88,580.25
  6. Step 6: Final answer
    x = 78,322.29

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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.