Home / 81,950.47-113,090.04-46,139.69

Finding the Fourth Proportional to 81,950.47, 113,090.04 and 46,139.69

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Solution

The fourth proportional to 81,950.47, 113,090.04 and 46,139.69 is: 63,671.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,950.47 : 113,090.04 = 46,139.69 : x
  2. Step 2: Convert to fraction form
    81,950.47/113,090.04 = 46,139.69/x
  3. Step 3: Cross multiply
    81,950.47x = 113,090.04 × 46,139.69
  4. Step 4: Simplify right side
    81,950.47x = 5,217,939,670.41
  5. Step 5: Solve for x
    x = 5,217,939,670.41/81,950.47
  6. Step 6: Final answer
    x = 63,671.87

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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.