Home / 77,089.21-115,632.01-35,536.21

Finding the Fourth Proportional to 77,089.21, 115,632.01 and 35,536.21

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Solution

The fourth proportional to 77,089.21, 115,632.01 and 35,536.21 is: 53,303.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,089.21 : 115,632.01 = 35,536.21 : x
  2. Step 2: Convert to fraction form
    77,089.21/115,632.01 = 35,536.21/x
  3. Step 3: Cross multiply
    77,089.21x = 115,632.01 × 35,536.21
  4. Step 4: Simplify right side
    77,089.21x = 4,109,123,390.08
  5. Step 5: Solve for x
    x = 4,109,123,390.08/77,089.21
  6. Step 6: Final answer
    x = 53,303.48

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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.