Home / 66,918.23-92,347.28-36,703.79

Finding the Fourth Proportional to 66,918.23, 92,347.28 and 36,703.79

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Solution

The fourth proportional to 66,918.23, 92,347.28 and 36,703.79 is: 50,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,918.23 : 92,347.28 = 36,703.79 : x
  2. Step 2: Convert to fraction form
    66,918.23/92,347.28 = 36,703.79/x
  3. Step 3: Cross multiply
    66,918.23x = 92,347.28 × 36,703.79
  4. Step 4: Simplify right side
    66,918.23x = 3,389,495,494.82
  5. Step 5: Solve for x
    x = 3,389,495,494.82/66,918.23
  6. Step 6: Final answer
    x = 50,651.31

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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.