Home / 85,299.64-117,713.66-47,576.32

Finding the Fourth Proportional to 85,299.64, 117,713.66 and 47,576.32

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Solution

The fourth proportional to 85,299.64, 117,713.66 and 47,576.32 is: 65,655.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,299.64 : 117,713.66 = 47,576.32 : x
  2. Step 2: Convert to fraction form
    85,299.64/117,713.66 = 47,576.32/x
  3. Step 3: Cross multiply
    85,299.64x = 117,713.66 × 47,576.32
  4. Step 4: Simplify right side
    85,299.64x = 5,600,382,756.53
  5. Step 5: Solve for x
    x = 5,600,382,756.53/85,299.64
  6. Step 6: Final answer
    x = 65,655.41

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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.