Home / 82,746.24-114,186.40-45,020.64

Finding the Fourth Proportional to 82,746.24, 114,186.40 and 45,020.64

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Solution

The fourth proportional to 82,746.24, 114,186.40 and 45,020.64 is: 62,126.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,746.24 : 114,186.40 = 45,020.64 : x
  2. Step 2: Convert to fraction form
    82,746.24/114,186.40 = 45,020.64/x
  3. Step 3: Cross multiply
    82,746.24x = 114,186.40 × 45,020.64
  4. Step 4: Simplify right side
    82,746.24x = 5,140,744,807.30
  5. Step 5: Solve for x
    x = 5,140,744,807.30/82,746.24
  6. Step 6: Final answer
    x = 62,126.63

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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.