Home / 58,749.20-81,075.63-31,893.45

Finding the Fourth Proportional to 58,749.20, 81,075.63 and 31,893.45

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Solution

The fourth proportional to 58,749.20, 81,075.63 and 31,893.45 is: 44,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,749.20 : 81,075.63 = 31,893.45 : x
  2. Step 2: Convert to fraction form
    58,749.20/81,075.63 = 31,893.45/x
  3. Step 3: Cross multiply
    58,749.20x = 81,075.63 × 31,893.45
  4. Step 4: Simplify right side
    58,749.20x = 2,585,781,551.62
  5. Step 5: Solve for x
    x = 2,585,781,551.62/58,749.20
  6. Step 6: Final answer
    x = 44,013.90

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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.