Home / 65,556.03-90,434.58-41,386.95

Finding the Fourth Proportional to 65,556.03, 90,434.58 and 41,386.95

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Solution

The fourth proportional to 65,556.03, 90,434.58 and 41,386.95 is: 57,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,556.03 : 90,434.58 = 41,386.95 : x
  2. Step 2: Convert to fraction form
    65,556.03/90,434.58 = 41,386.95/x
  3. Step 3: Cross multiply
    65,556.03x = 90,434.58 × 41,386.95
  4. Step 4: Simplify right side
    65,556.03x = 3,742,811,285.53
  5. Step 5: Solve for x
    x = 3,742,811,285.53/65,556.03
  6. Step 6: Final answer
    x = 57,093.32

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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.