Home / 77,075.91-106,351.13-43,073.52

Finding the Fourth Proportional to 77,075.91, 106,351.13 and 43,073.52

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Solution

The fourth proportional to 77,075.91, 106,351.13 and 43,073.52 is: 59,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,075.91 : 106,351.13 = 43,073.52 : x
  2. Step 2: Convert to fraction form
    77,075.91/106,351.13 = 43,073.52/x
  3. Step 3: Cross multiply
    77,075.91x = 106,351.13 × 43,073.52
  4. Step 4: Simplify right side
    77,075.91x = 4,580,918,031.58
  5. Step 5: Solve for x
    x = 4,580,918,031.58/77,075.91
  6. Step 6: Final answer
    x = 59,433.85

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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.