Home / 65,666.09-90,619.56-37,371.77

Finding the Fourth Proportional to 65,666.09, 90,619.56 and 37,371.77

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Solution

The fourth proportional to 65,666.09, 90,619.56 and 37,371.77 is: 51,573.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,666.09 : 90,619.56 = 37,371.77 : x
  2. Step 2: Convert to fraction form
    65,666.09/90,619.56 = 37,371.77/x
  3. Step 3: Cross multiply
    65,666.09x = 90,619.56 × 37,371.77
  4. Step 4: Simplify right side
    65,666.09x = 3,386,612,900.72
  5. Step 5: Solve for x
    x = 3,386,612,900.72/65,666.09
  6. Step 6: Final answer
    x = 51,573.24

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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.