Home / 84,812.90-117,037.23-47,084.72

Finding the Fourth Proportional to 84,812.90, 117,037.23 and 47,084.72

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Solution

The fourth proportional to 84,812.90, 117,037.23 and 47,084.72 is: 64,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,812.90 : 117,037.23 = 47,084.72 : x
  2. Step 2: Convert to fraction form
    84,812.90/117,037.23 = 47,084.72/x
  3. Step 3: Cross multiply
    84,812.90x = 117,037.23 × 47,084.72
  4. Step 4: Simplify right side
    84,812.90x = 5,510,665,146.11
  5. Step 5: Solve for x
    x = 5,510,665,146.11/84,812.90
  6. Step 6: Final answer
    x = 64,974.38

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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.