Home / 43,302.99-64,902.17-21,083.07

Finding the Fourth Proportional to 43,302.99, 64,902.17 and 21,083.07

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Solution

The fourth proportional to 43,302.99, 64,902.17 and 21,083.07 is: 31,599.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,302.99 : 64,902.17 = 21,083.07 : x
  2. Step 2: Convert to fraction form
    43,302.99/64,902.17 = 21,083.07/x
  3. Step 3: Cross multiply
    43,302.99x = 64,902.17 × 21,083.07
  4. Step 4: Simplify right side
    43,302.99x = 1,368,336,887.85
  5. Step 5: Solve for x
    x = 1,368,336,887.85/43,302.99
  6. Step 6: Final answer
    x = 31,599.13

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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.