Home / 77,078.34-115,615.83-35,525.34

Finding the Fourth Proportional to 77,078.34, 115,615.83 and 35,525.34

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Solution

The fourth proportional to 77,078.34, 115,615.83 and 35,525.34 is: 53,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,078.34 : 115,615.83 = 35,525.34 : x
  2. Step 2: Convert to fraction form
    77,078.34/115,615.83 = 35,525.34/x
  3. Step 3: Cross multiply
    77,078.34x = 115,615.83 × 35,525.34
  4. Step 4: Simplify right side
    77,078.34x = 4,107,291,670.13
  5. Step 5: Solve for x
    x = 4,107,291,670.13/77,078.34
  6. Step 6: Final answer
    x = 53,287.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.