Home / 66,176.51-91,325.63-37,891.31

Finding the Fourth Proportional to 66,176.51, 91,325.63 and 37,891.31

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Solution

The fourth proportional to 66,176.51, 91,325.63 and 37,891.31 is: 52,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,176.51 : 91,325.63 = 37,891.31 : x
  2. Step 2: Convert to fraction form
    66,176.51/91,325.63 = 37,891.31/x
  3. Step 3: Cross multiply
    66,176.51x = 91,325.63 × 37,891.31
  4. Step 4: Simplify right side
    66,176.51x = 3,460,447,567.82
  5. Step 5: Solve for x
    x = 3,460,447,567.82/66,176.51
  6. Step 6: Final answer
    x = 52,291.18

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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.