Home / 96,685.84-144,840.30-54,436.78

Finding the Fourth Proportional to 96,685.84, 144,840.30 and 54,436.78

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Solution

The fourth proportional to 96,685.84, 144,840.30 and 54,436.78 is: 81,549.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,685.84 : 144,840.30 = 54,436.78 : x
  2. Step 2: Convert to fraction form
    96,685.84/144,840.30 = 54,436.78/x
  3. Step 3: Cross multiply
    96,685.84x = 144,840.30 × 54,436.78
  4. Step 4: Simplify right side
    96,685.84x = 7,884,639,546.23
  5. Step 5: Solve for x
    x = 7,884,639,546.23/96,685.84
  6. Step 6: Final answer
    x = 81,549.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.