Home / 84,131.21-116,113.64-53,950.61

Finding the Fourth Proportional to 84,131.21, 116,113.64 and 53,950.61

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Solution

The fourth proportional to 84,131.21, 116,113.64 and 53,950.61 is: 74,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,131.21 : 116,113.64 = 53,950.61 : x
  2. Step 2: Convert to fraction form
    84,131.21/116,113.64 = 53,950.61/x
  3. Step 3: Cross multiply
    84,131.21x = 116,113.64 × 53,950.61
  4. Step 4: Simplify right side
    84,131.21x = 6,264,400,857.00
  5. Step 5: Solve for x
    x = 6,264,400,857.00/84,131.21
  6. Step 6: Final answer
    x = 74,459.90

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1.5x scale

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.