Home / 66,837.41-92,250.06-39,985.91

Finding the Fourth Proportional to 66,837.41, 92,250.06 and 39,985.91

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Solution

The fourth proportional to 66,837.41, 92,250.06 and 39,985.91 is: 55,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,837.41 : 92,250.06 = 39,985.91 : x
  2. Step 2: Convert to fraction form
    66,837.41/92,250.06 = 39,985.91/x
  3. Step 3: Cross multiply
    66,837.41x = 92,250.06 × 39,985.91
  4. Step 4: Simplify right side
    66,837.41x = 3,688,702,596.65
  5. Step 5: Solve for x
    x = 3,688,702,596.65/66,837.41
  6. Step 6: Final answer
    x = 55,189.19

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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.