Home / 82,636.74-114,037.47-48,649.14

Finding the Fourth Proportional to 82,636.74, 114,037.47 and 48,649.14

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Solution

The fourth proportional to 82,636.74, 114,037.47 and 48,649.14 is: 67,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,636.74 : 114,037.47 = 48,649.14 : x
  2. Step 2: Convert to fraction form
    82,636.74/114,037.47 = 48,649.14/x
  3. Step 3: Cross multiply
    82,636.74x = 114,037.47 × 48,649.14
  4. Step 4: Simplify right side
    82,636.74x = 5,547,824,843.28
  5. Step 5: Solve for x
    x = 5,547,824,843.28/82,636.74
  6. Step 6: Final answer
    x = 67,135.09

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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.