Home / 65,904.59-90,948.75-35,689.91

Finding the Fourth Proportional to 65,904.59, 90,948.75 and 35,689.91

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Solution

The fourth proportional to 65,904.59, 90,948.75 and 35,689.91 is: 49,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,904.59 : 90,948.75 = 35,689.91 : x
  2. Step 2: Convert to fraction form
    65,904.59/90,948.75 = 35,689.91/x
  3. Step 3: Cross multiply
    65,904.59x = 90,948.75 × 35,689.91
  4. Step 4: Simplify right side
    65,904.59x = 3,245,952,247.37
  5. Step 5: Solve for x
    x = 3,245,952,247.37/65,904.59
  6. Step 6: Final answer
    x = 49,252.30

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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.