Home / 66,360.87-91,569.08-37,675.63

Finding the Fourth Proportional to 66,360.87, 91,569.08 and 37,675.63

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Solution

The fourth proportional to 66,360.87, 91,569.08 and 37,675.63 is: 51,987.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,360.87 : 91,569.08 = 37,675.63 : x
  2. Step 2: Convert to fraction form
    66,360.87/91,569.08 = 37,675.63/x
  3. Step 3: Cross multiply
    66,360.87x = 91,569.08 × 37,675.63
  4. Step 4: Simplify right side
    66,360.87x = 3,449,922,986.17
  5. Step 5: Solve for x
    x = 3,449,922,986.17/66,360.87
  6. Step 6: Final answer
    x = 51,987.31

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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.