Home / 71,314.17-106,993.64-42,883.85

Finding the Fourth Proportional to 71,314.17, 106,993.64 and 42,883.85

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Solution

The fourth proportional to 71,314.17, 106,993.64 and 42,883.85 is: 64,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,314.17 : 106,993.64 = 42,883.85 : x
  2. Step 2: Convert to fraction form
    71,314.17/106,993.64 = 42,883.85/x
  3. Step 3: Cross multiply
    71,314.17x = 106,993.64 × 42,883.85
  4. Step 4: Simplify right side
    71,314.17x = 4,588,298,459.33
  5. Step 5: Solve for x
    x = 4,588,298,459.33/71,314.17
  6. Step 6: Final answer
    x = 64,339.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.