Home / 85,280.05-117,639.22-59,824.31

Finding the Fourth Proportional to 85,280.05, 117,639.22 and 59,824.31

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Solution

The fourth proportional to 85,280.05, 117,639.22 and 59,824.31 is: 82,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,280.05 : 117,639.22 = 59,824.31 : x
  2. Step 2: Convert to fraction form
    85,280.05/117,639.22 = 59,824.31/x
  3. Step 3: Cross multiply
    85,280.05x = 117,639.22 × 59,824.31
  4. Step 4: Simplify right side
    85,280.05x = 7,037,684,866.32
  5. Step 5: Solve for x
    x = 7,037,684,866.32/85,280.05
  6. Step 6: Final answer
    x = 82,524.40

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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.