Home / 82,770.36-114,223.68-45,045.42

Finding the Fourth Proportional to 82,770.36, 114,223.68 and 45,045.42

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Solution

The fourth proportional to 82,770.36, 114,223.68 and 45,045.42 is: 62,163.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,770.36 : 114,223.68 = 45,045.42 : x
  2. Step 2: Convert to fraction form
    82,770.36/114,223.68 = 45,045.42/x
  3. Step 3: Cross multiply
    82,770.36x = 114,223.68 × 45,045.42
  4. Step 4: Simplify right side
    82,770.36x = 5,145,253,639.55
  5. Step 5: Solve for x
    x = 5,145,253,639.55/82,770.36
  6. Step 6: Final answer
    x = 62,163.00

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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.