Home / 64,105.95-96,159.14-19,732.43

Finding the Fourth Proportional to 64,105.95, 96,159.14 and 19,732.43

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Solution

The fourth proportional to 64,105.95, 96,159.14 and 19,732.43 is: 29,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,105.95 : 96,159.14 = 19,732.43 : x
  2. Step 2: Convert to fraction form
    64,105.95/96,159.14 = 19,732.43/x
  3. Step 3: Cross multiply
    64,105.95x = 96,159.14 × 19,732.43
  4. Step 4: Simplify right side
    64,105.95x = 1,897,452,919.45
  5. Step 5: Solve for x
    x = 1,897,452,919.45/64,105.95
  6. Step 6: Final answer
    x = 29,598.70

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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.