Home / 64,251.40-96,384.30-19,877.80

Finding the Fourth Proportional to 64,251.40, 96,384.30 and 19,877.80

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Solution

The fourth proportional to 64,251.40, 96,384.30 and 19,877.80 is: 29,818.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,251.40 : 96,384.30 = 19,877.80 : x
  2. Step 2: Convert to fraction form
    64,251.40/96,384.30 = 19,877.80/x
  3. Step 3: Cross multiply
    64,251.40x = 96,384.30 × 19,877.80
  4. Step 4: Simplify right side
    64,251.40x = 1,915,907,838.54
  5. Step 5: Solve for x
    x = 1,915,907,838.54/64,251.40
  6. Step 6: Final answer
    x = 29,818.93

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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.