Home / 65,961.58-91,028.73-37,666.66

Finding the Fourth Proportional to 65,961.58, 91,028.73 and 37,666.66

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Solution

The fourth proportional to 65,961.58, 91,028.73 and 37,666.66 is: 51,980.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,961.58 : 91,028.73 = 37,666.66 : x
  2. Step 2: Convert to fraction form
    65,961.58/91,028.73 = 37,666.66/x
  3. Step 3: Cross multiply
    65,961.58x = 91,028.73 × 37,666.66
  4. Step 4: Simplify right side
    65,961.58x = 3,428,748,223.14
  5. Step 5: Solve for x
    x = 3,428,748,223.14/65,961.58
  6. Step 6: Final answer
    x = 51,980.99

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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.