Home / 70,760.77-97,663.81-40,566.36

Finding the Fourth Proportional to 70,760.77, 97,663.81 and 40,566.36

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Solution

The fourth proportional to 70,760.77, 97,663.81 and 40,566.36 is: 55,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,760.77 : 97,663.81 = 40,566.36 : x
  2. Step 2: Convert to fraction form
    70,760.77/97,663.81 = 40,566.36/x
  3. Step 3: Cross multiply
    70,760.77x = 97,663.81 × 40,566.36
  4. Step 4: Simplify right side
    70,760.77x = 3,961,865,275.43
  5. Step 5: Solve for x
    x = 3,961,865,275.43/70,760.77
  6. Step 6: Final answer
    x = 55,989.57

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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.