Home / 82,715.40-114,148.17-46,424.88

Finding the Fourth Proportional to 82,715.40, 114,148.17 and 46,424.88

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Solution

The fourth proportional to 82,715.40, 114,148.17 and 46,424.88 is: 64,066.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,715.40 : 114,148.17 = 46,424.88 : x
  2. Step 2: Convert to fraction form
    82,715.40/114,148.17 = 46,424.88/x
  3. Step 3: Cross multiply
    82,715.40x = 114,148.17 × 46,424.88
  4. Step 4: Simplify right side
    82,715.40x = 5,299,315,094.47
  5. Step 5: Solve for x
    x = 5,299,315,094.47/82,715.40
  6. Step 6: Final answer
    x = 64,066.85

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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.