Home / 65,585.40-90,521.30-41,707.46

Finding the Fourth Proportional to 65,585.40, 90,521.30 and 41,707.46

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Solution

The fourth proportional to 65,585.40, 90,521.30 and 41,707.46 is: 57,564.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,585.40 : 90,521.30 = 41,707.46 : x
  2. Step 2: Convert to fraction form
    65,585.40/90,521.30 = 41,707.46/x
  3. Step 3: Cross multiply
    65,585.40x = 90,521.30 × 41,707.46
  4. Step 4: Simplify right side
    65,585.40x = 3,775,413,085.68
  5. Step 5: Solve for x
    x = 3,775,413,085.68/65,585.40
  6. Step 6: Final answer
    x = 57,564.84

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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.