Home / 71,231.04-106,871.13-26,870.45

Finding the Fourth Proportional to 71,231.04, 106,871.13 and 26,870.45

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Solution

The fourth proportional to 71,231.04, 106,871.13 and 26,870.45 is: 40,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,231.04 : 106,871.13 = 26,870.45 : x
  2. Step 2: Convert to fraction form
    71,231.04/106,871.13 = 26,870.45/x
  3. Step 3: Cross multiply
    71,231.04x = 106,871.13 × 26,870.45
  4. Step 4: Simplify right side
    71,231.04x = 2,871,674,820.75
  5. Step 5: Solve for x
    x = 2,871,674,820.75/71,231.04
  6. Step 6: Final answer
    x = 40,314.94

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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.