Home / 55,276.03-76,281.18-31,404.01

Finding the Fourth Proportional to 55,276.03, 76,281.18 and 31,404.01

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Solution

The fourth proportional to 55,276.03, 76,281.18 and 31,404.01 is: 43,337.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.03 : 76,281.18 = 31,404.01 : x
  2. Step 2: Convert to fraction form
    55,276.03/76,281.18 = 31,404.01/x
  3. Step 3: Cross multiply
    55,276.03x = 76,281.18 × 31,404.01
  4. Step 4: Simplify right side
    55,276.03x = 2,395,534,939.53
  5. Step 5: Solve for x
    x = 2,395,534,939.53/55,276.03
  6. Step 6: Final answer
    x = 43,337.68

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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.