Home / 66,717.33-92,131.16-42,885.51

Finding the Fourth Proportional to 66,717.33, 92,131.16 and 42,885.51

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Solution

The fourth proportional to 66,717.33, 92,131.16 and 42,885.51 is: 59,221.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,717.33 : 92,131.16 = 42,885.51 : x
  2. Step 2: Convert to fraction form
    66,717.33/92,131.16 = 42,885.51/x
  3. Step 3: Cross multiply
    66,717.33x = 92,131.16 × 42,885.51
  4. Step 4: Simplify right side
    66,717.33x = 3,951,091,569.06
  5. Step 5: Solve for x
    x = 3,951,091,569.06/66,717.33
  6. Step 6: Final answer
    x = 59,221.37

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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.