Home / 70,411.77-97,143.96-40,175.28

Finding the Fourth Proportional to 70,411.77, 97,143.96 and 40,175.28

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Solution

The fourth proportional to 70,411.77, 97,143.96 and 40,175.28 is: 55,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,411.77 : 97,143.96 = 40,175.28 : x
  2. Step 2: Convert to fraction form
    70,411.77/97,143.96 = 40,175.28/x
  3. Step 3: Cross multiply
    70,411.77x = 97,143.96 × 40,175.28
  4. Step 4: Simplify right side
    70,411.77x = 3,902,785,793.31
  5. Step 5: Solve for x
    x = 3,902,785,793.31/70,411.77
  6. Step 6: Final answer
    x = 55,428.03

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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.