Home / 65,323.13-90,147.74-37,030.64

Finding the Fourth Proportional to 65,323.13, 90,147.74 and 37,030.64

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Solution

The fourth proportional to 65,323.13, 90,147.74 and 37,030.64 is: 51,103.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,323.13 : 90,147.74 = 37,030.64 : x
  2. Step 2: Convert to fraction form
    65,323.13/90,147.74 = 37,030.64/x
  3. Step 3: Cross multiply
    65,323.13x = 90,147.74 × 37,030.64
  4. Step 4: Simplify right side
    65,323.13x = 3,338,227,870.86
  5. Step 5: Solve for x
    x = 3,338,227,870.86/65,323.13
  6. Step 6: Final answer
    x = 51,103.31

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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.