Home / 88,313.80-121,830.18-52,478.44

Finding the Fourth Proportional to 88,313.80, 121,830.18 and 52,478.44

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Solution

The fourth proportional to 88,313.80, 121,830.18 and 52,478.44 is: 72,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,313.80 : 121,830.18 = 52,478.44 : x
  2. Step 2: Convert to fraction form
    88,313.80/121,830.18 = 52,478.44/x
  3. Step 3: Cross multiply
    88,313.80x = 121,830.18 × 52,478.44
  4. Step 4: Simplify right side
    88,313.80x = 6,393,457,791.32
  5. Step 5: Solve for x
    x = 6,393,457,791.32/88,313.80
  6. Step 6: Final answer
    x = 72,394.78

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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.