Home / 49,387.33-68,017.75-42,670.81

Finding the Fourth Proportional to 49,387.33, 68,017.75 and 42,670.81

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Solution

The fourth proportional to 49,387.33, 68,017.75 and 42,670.81 is: 58,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,387.33 : 68,017.75 = 42,670.81 : x
  2. Step 2: Convert to fraction form
    49,387.33/68,017.75 = 42,670.81/x
  3. Step 3: Cross multiply
    49,387.33x = 68,017.75 × 42,670.81
  4. Step 4: Simplify right side
    49,387.33x = 2,902,372,486.88
  5. Step 5: Solve for x
    x = 2,902,372,486.88/49,387.33
  6. Step 6: Final answer
    x = 58,767.55

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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.