Home / 55,386.10-76,402.03-36,296.66

Finding the Fourth Proportional to 55,386.10, 76,402.03 and 36,296.66

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Solution

The fourth proportional to 55,386.10, 76,402.03 and 36,296.66 is: 50,069.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,386.10 : 76,402.03 = 36,296.66 : x
  2. Step 2: Convert to fraction form
    55,386.10/76,402.03 = 36,296.66/x
  3. Step 3: Cross multiply
    55,386.10x = 76,402.03 × 36,296.66
  4. Step 4: Simplify right side
    55,386.10x = 2,773,138,506.22
  5. Step 5: Solve for x
    x = 2,773,138,506.22/55,386.10
  6. Step 6: Final answer
    x = 50,069.21

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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.