Home / 85,281.30-117,640.94-59,825.56

Finding the Fourth Proportional to 85,281.30, 117,640.94 and 59,825.56

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Solution

The fourth proportional to 85,281.30, 117,640.94 and 59,825.56 is: 82,526.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,281.30 : 117,640.94 = 59,825.56 : x
  2. Step 2: Convert to fraction form
    85,281.30/117,640.94 = 59,825.56/x
  3. Step 3: Cross multiply
    85,281.30x = 117,640.94 × 59,825.56
  4. Step 4: Simplify right side
    85,281.30x = 7,037,935,114.43
  5. Step 5: Solve for x
    x = 7,037,935,114.43/85,281.30
  6. Step 6: Final answer
    x = 82,526.12

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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.