Home / 85,240.29-117,630.64-47,003.17

Finding the Fourth Proportional to 85,240.29, 117,630.64 and 47,003.17

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Solution

The fourth proportional to 85,240.29, 117,630.64 and 47,003.17 is: 64,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,240.29 : 117,630.64 = 47,003.17 : x
  2. Step 2: Convert to fraction form
    85,240.29/117,630.64 = 47,003.17/x
  3. Step 3: Cross multiply
    85,240.29x = 117,630.64 × 47,003.17
  4. Step 4: Simplify right side
    85,240.29x = 5,529,013,516.72
  5. Step 5: Solve for x
    x = 5,529,013,516.72/85,240.29
  6. Step 6: Final answer
    x = 64,863.85

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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.