Home / 84,813.40-117,037.92-47,085.22

Finding the Fourth Proportional to 84,813.40, 117,037.92 and 47,085.22

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Solution

The fourth proportional to 84,813.40, 117,037.92 and 47,085.22 is: 64,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,813.40 : 117,037.92 = 47,085.22 : x
  2. Step 2: Convert to fraction form
    84,813.40/117,037.92 = 47,085.22/x
  3. Step 3: Cross multiply
    84,813.40x = 117,037.92 × 47,085.22
  4. Step 4: Simplify right side
    84,813.40x = 5,510,756,211.54
  5. Step 5: Solve for x
    x = 5,510,756,211.54/84,813.40
  6. Step 6: Final answer
    x = 64,975.07

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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.