Home / 58,750.43-81,075.33-31,892.72

Finding the Fourth Proportional to 58,750.43, 81,075.33 and 31,892.72

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Solution

The fourth proportional to 58,750.43, 81,075.33 and 31,892.72 is: 44,011.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,750.43 : 81,075.33 = 31,892.72 : x
  2. Step 2: Convert to fraction form
    58,750.43/81,075.33 = 31,892.72/x
  3. Step 3: Cross multiply
    58,750.43x = 81,075.33 × 31,892.72
  4. Step 4: Simplify right side
    58,750.43x = 2,585,712,393.22
  5. Step 5: Solve for x
    x = 2,585,712,393.22/58,750.43
  6. Step 6: Final answer
    x = 44,011.81

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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.