Home / 70,662.23-97,508.17-40,440.66

Finding the Fourth Proportional to 70,662.23, 97,508.17 and 40,440.66

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Solution

The fourth proportional to 70,662.23, 97,508.17 and 40,440.66 is: 55,804.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,662.23 : 97,508.17 = 40,440.66 : x
  2. Step 2: Convert to fraction form
    70,662.23/97,508.17 = 40,440.66/x
  3. Step 3: Cross multiply
    70,662.23x = 97,508.17 × 40,440.66
  4. Step 4: Simplify right side
    70,662.23x = 3,943,294,750.19
  5. Step 5: Solve for x
    x = 3,943,294,750.19/70,662.23
  6. Step 6: Final answer
    x = 55,804.84

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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.