Home / 64,648.12-96,972.20-17,900.99

Finding the Fourth Proportional to 64,648.12, 96,972.20 and 17,900.99

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Solution

The fourth proportional to 64,648.12, 96,972.20 and 17,900.99 is: 26,851.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,648.12 : 96,972.20 = 17,900.99 : x
  2. Step 2: Convert to fraction form
    64,648.12/96,972.20 = 17,900.99/x
  3. Step 3: Cross multiply
    64,648.12x = 96,972.20 × 17,900.99
  4. Step 4: Simplify right side
    64,648.12x = 1,735,898,535.40
  5. Step 5: Solve for x
    x = 1,735,898,535.40/64,648.12
  6. Step 6: Final answer
    x = 26,851.49

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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.