Home / 70,785.24-97,685.95-40,576.28

Finding the Fourth Proportional to 70,785.24, 97,685.95 and 40,576.28

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Solution

The fourth proportional to 70,785.24, 97,685.95 and 40,576.28 is: 55,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,785.24 : 97,685.95 = 40,576.28 : x
  2. Step 2: Convert to fraction form
    70,785.24/97,685.95 = 40,576.28/x
  3. Step 3: Cross multiply
    70,785.24x = 97,685.95 × 40,576.28
  4. Step 4: Simplify right side
    70,785.24x = 3,963,731,945.48
  5. Step 5: Solve for x
    x = 3,963,731,945.48/70,785.24
  6. Step 6: Final answer
    x = 55,996.59

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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.