Home / 64,983.12-89,676.36-35,175.12

Finding the Fourth Proportional to 64,983.12, 89,676.36 and 35,175.12

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Solution

The fourth proportional to 64,983.12, 89,676.36 and 35,175.12 is: 48,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,983.12 : 89,676.36 = 35,175.12 : x
  2. Step 2: Convert to fraction form
    64,983.12/89,676.36 = 35,175.12/x
  3. Step 3: Cross multiply
    64,983.12x = 89,676.36 × 35,175.12
  4. Step 4: Simplify right side
    64,983.12x = 3,154,376,724.16
  5. Step 5: Solve for x
    x = 3,154,376,724.16/64,983.12
  6. Step 6: Final answer
    x = 48,541.48

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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.