Home / 85,280.30-117,639.56-59,824.56

Finding the Fourth Proportional to 85,280.30, 117,639.56 and 59,824.56

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Solution

The fourth proportional to 85,280.30, 117,639.56 and 59,824.56 is: 82,524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,280.30 : 117,639.56 = 59,824.56 : x
  2. Step 2: Convert to fraction form
    85,280.30/117,639.56 = 59,824.56/x
  3. Step 3: Cross multiply
    85,280.30x = 117,639.56 × 59,824.56
  4. Step 4: Simplify right side
    85,280.30x = 7,037,735,065.16
  5. Step 5: Solve for x
    x = 7,037,735,065.16/85,280.30
  6. Step 6: Final answer
    x = 82,524.75

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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.