Home / 55,051.85-75,971.61-29,901.35

Finding the Fourth Proportional to 55,051.85, 75,971.61 and 29,901.35

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Solution

The fourth proportional to 55,051.85, 75,971.61 and 29,901.35 is: 41,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,051.85 : 75,971.61 = 29,901.35 : x
  2. Step 2: Convert to fraction form
    55,051.85/75,971.61 = 29,901.35/x
  3. Step 3: Cross multiply
    55,051.85x = 75,971.61 × 29,901.35
  4. Step 4: Simplify right side
    55,051.85x = 2,271,653,171.31
  5. Step 5: Solve for x
    x = 2,271,653,171.31/55,051.85
  6. Step 6: Final answer
    x = 41,263.89

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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.