Home / 66,075.09-91,182.69-35,860.47

Finding the Fourth Proportional to 66,075.09, 91,182.69 and 35,860.47

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Solution

The fourth proportional to 66,075.09, 91,182.69 and 35,860.47 is: 49,486.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,075.09 : 91,182.69 = 35,860.47 : x
  2. Step 2: Convert to fraction form
    66,075.09/91,182.69 = 35,860.47/x
  3. Step 3: Cross multiply
    66,075.09x = 91,182.69 × 35,860.47
  4. Step 4: Simplify right side
    66,075.09x = 3,269,854,119.26
  5. Step 5: Solve for x
    x = 3,269,854,119.26/66,075.09
  6. Step 6: Final answer
    x = 49,486.94

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1.5x scale

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.