Home / 50,699.16-76,061.70-21,107.16

Finding the Fourth Proportional to 50,699.16, 76,061.70 and 21,107.16

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Solution

The fourth proportional to 50,699.16, 76,061.70 and 21,107.16 is: 31,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,699.16 : 76,061.70 = 21,107.16 : x
  2. Step 2: Convert to fraction form
    50,699.16/76,061.70 = 21,107.16/x
  3. Step 3: Cross multiply
    50,699.16x = 76,061.70 × 21,107.16
  4. Step 4: Simplify right side
    50,699.16x = 1,605,446,471.77
  5. Step 5: Solve for x
    x = 1,605,446,471.77/50,699.16
  6. Step 6: Final answer
    x = 31,666.14

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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.