Home / 64,266.03-96,403.12-19,889.05

Finding the Fourth Proportional to 64,266.03, 96,403.12 and 19,889.05

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Solution

The fourth proportional to 64,266.03, 96,403.12 and 19,889.05 is: 29,834.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,266.03 : 96,403.12 = 19,889.05 : x
  2. Step 2: Convert to fraction form
    64,266.03/96,403.12 = 19,889.05/x
  3. Step 3: Cross multiply
    64,266.03x = 96,403.12 × 19,889.05
  4. Step 4: Simplify right side
    64,266.03x = 1,917,366,473.84
  5. Step 5: Solve for x
    x = 1,917,366,473.84/64,266.03
  6. Step 6: Final answer
    x = 29,834.84

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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.