Home / 64,089.85-96,135.01-19,716.30

Finding the Fourth Proportional to 64,089.85, 96,135.01 and 19,716.30

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Solution

The fourth proportional to 64,089.85, 96,135.01 and 19,716.30 is: 29,574.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,089.85 : 96,135.01 = 19,716.30 : x
  2. Step 2: Convert to fraction form
    64,089.85/96,135.01 = 19,716.30/x
  3. Step 3: Cross multiply
    64,089.85x = 96,135.01 × 19,716.30
  4. Step 4: Simplify right side
    64,089.85x = 1,895,426,216.99
  5. Step 5: Solve for x
    x = 1,895,426,216.99/64,089.85
  6. Step 6: Final answer
    x = 29,574.51

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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.