Home / 66,237.51-91,406.88-36,022.18

Finding the Fourth Proportional to 66,237.51, 91,406.88 and 36,022.18

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Solution

The fourth proportional to 66,237.51, 91,406.88 and 36,022.18 is: 49,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,237.51 : 91,406.88 = 36,022.18 : x
  2. Step 2: Convert to fraction form
    66,237.51/91,406.88 = 36,022.18/x
  3. Step 3: Cross multiply
    66,237.51x = 91,406.88 × 36,022.18
  4. Step 4: Simplify right side
    66,237.51x = 3,292,675,156.01
  5. Step 5: Solve for x
    x = 3,292,675,156.01/66,237.51
  6. Step 6: Final answer
    x = 49,710.13

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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.