Home / 53,699.82-74,145.15-49,718.94

Finding the Fourth Proportional to 53,699.82, 74,145.15 and 49,718.94

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Solution

The fourth proportional to 53,699.82, 74,145.15 and 49,718.94 is: 68,648.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,699.82 : 74,145.15 = 49,718.94 : x
  2. Step 2: Convert to fraction form
    53,699.82/74,145.15 = 49,718.94/x
  3. Step 3: Cross multiply
    53,699.82x = 74,145.15 × 49,718.94
  4. Step 4: Simplify right side
    53,699.82x = 3,686,418,264.14
  5. Step 5: Solve for x
    x = 3,686,418,264.14/53,699.82
  6. Step 6: Final answer
    x = 68,648.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.