Home / 71,066.20-106,586.16-26,077.72

Finding the Fourth Proportional to 71,066.20, 106,586.16 and 26,077.72

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Solution

The fourth proportional to 71,066.20, 106,586.16 and 26,077.72 is: 39,111.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,066.20 : 106,586.16 = 26,077.72 : x
  2. Step 2: Convert to fraction form
    71,066.20/106,586.16 = 26,077.72/x
  3. Step 3: Cross multiply
    71,066.20x = 106,586.16 × 26,077.72
  4. Step 4: Simplify right side
    71,066.20x = 2,779,524,036.36
  5. Step 5: Solve for x
    x = 2,779,524,036.36/71,066.20
  6. Step 6: Final answer
    x = 39,111.76

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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.