Home / 61,135.65-91,729.89-33,075.45

Finding the Fourth Proportional to 61,135.65, 91,729.89 and 33,075.45

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Solution

The fourth proportional to 61,135.65, 91,729.89 and 33,075.45 is: 49,627.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,135.65 : 91,729.89 = 33,075.45 : x
  2. Step 2: Convert to fraction form
    61,135.65/91,729.89 = 33,075.45/x
  3. Step 3: Cross multiply
    61,135.65x = 91,729.89 × 33,075.45
  4. Step 4: Simplify right side
    61,135.65x = 3,034,007,390.20
  5. Step 5: Solve for x
    x = 3,034,007,390.20/61,135.65
  6. Step 6: Final answer
    x = 49,627.47

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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.