Home / 55,132.49-76,090.10-53,631.35

Finding the Fourth Proportional to 55,132.49, 76,090.10 and 53,631.35

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Solution

The fourth proportional to 55,132.49, 76,090.10 and 53,631.35 is: 74,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,132.49 : 76,090.10 = 53,631.35 : x
  2. Step 2: Convert to fraction form
    55,132.49/76,090.10 = 53,631.35/x
  3. Step 3: Cross multiply
    55,132.49x = 76,090.10 × 53,631.35
  4. Step 4: Simplify right side
    55,132.49x = 4,080,814,706.70
  5. Step 5: Solve for x
    x = 4,080,814,706.70/55,132.49
  6. Step 6: Final answer
    x = 74,018.33

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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.