Home / 84,813.04-117,152.22-64,546.84

Finding the Fourth Proportional to 84,813.04, 117,152.22 and 64,546.84

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Solution

The fourth proportional to 84,813.04, 117,152.22 and 64,546.84 is: 89,158.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,813.04 : 117,152.22 = 64,546.84 : x
  2. Step 2: Convert to fraction form
    84,813.04/117,152.22 = 64,546.84/x
  3. Step 3: Cross multiply
    84,813.04x = 117,152.22 × 64,546.84
  4. Step 4: Simplify right side
    84,813.04x = 7,561,805,599.98
  5. Step 5: Solve for x
    x = 7,561,805,599.98/84,813.04
  6. Step 6: Final answer
    x = 89,158.53

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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.