Home / 90,744.90-136,075.69-53,322.56

Finding the Fourth Proportional to 90,744.90, 136,075.69 and 53,322.56

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Solution

The fourth proportional to 90,744.90, 136,075.69 and 53,322.56 is: 79,959.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,744.90 : 136,075.69 = 53,322.56 : x
  2. Step 2: Convert to fraction form
    90,744.90/136,075.69 = 53,322.56/x
  3. Step 3: Cross multiply
    90,744.90x = 136,075.69 × 53,322.56
  4. Step 4: Simplify right side
    90,744.90x = 7,255,904,144.57
  5. Step 5: Solve for x
    x = 7,255,904,144.57/90,744.90
  6. Step 6: Final answer
    x = 79,959.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.