Home / 86,007.42-129,019.03-33,421.01

Finding the Fourth Proportional to 86,007.42, 129,019.03 and 33,421.01

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Solution

The fourth proportional to 86,007.42, 129,019.03 and 33,421.01 is: 50,134.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,007.42 : 129,019.03 = 33,421.01 : x
  2. Step 2: Convert to fraction form
    86,007.42/129,019.03 = 33,421.01/x
  3. Step 3: Cross multiply
    86,007.42x = 129,019.03 × 33,421.01
  4. Step 4: Simplify right side
    86,007.42x = 4,311,945,563.17
  5. Step 5: Solve for x
    x = 4,311,945,563.17/86,007.42
  6. Step 6: Final answer
    x = 50,134.58

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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.