Home / 66,083.51-99,135.63-21,700.17

Finding the Fourth Proportional to 66,083.51, 99,135.63 and 21,700.17

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Solution

The fourth proportional to 66,083.51, 99,135.63 and 21,700.17 is: 32,553.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,083.51 : 99,135.63 = 21,700.17 : x
  2. Step 2: Convert to fraction form
    66,083.51/99,135.63 = 21,700.17/x
  3. Step 3: Cross multiply
    66,083.51x = 99,135.63 × 21,700.17
  4. Step 4: Simplify right side
    66,083.51x = 2,151,260,024.06
  5. Step 5: Solve for x
    x = 2,151,260,024.06/66,083.51
  6. Step 6: Final answer
    x = 32,553.66

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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.