Home / 64,140.30-96,220.98-19,767.06

Finding the Fourth Proportional to 64,140.30, 96,220.98 and 19,767.06

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Solution

The fourth proportional to 64,140.30, 96,220.98 and 19,767.06 is: 29,653.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,140.30 : 96,220.98 = 19,767.06 : x
  2. Step 2: Convert to fraction form
    64,140.30/96,220.98 = 19,767.06/x
  3. Step 3: Cross multiply
    64,140.30x = 96,220.98 × 19,767.06
  4. Step 4: Simplify right side
    64,140.30x = 1,902,005,884.92
  5. Step 5: Solve for x
    x = 1,902,005,884.92/64,140.30
  6. Step 6: Final answer
    x = 29,653.84

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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.