Home / 70,619.26-105,959.67-26,236.12

Finding the Fourth Proportional to 70,619.26, 105,959.67 and 26,236.12

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Solution

The fourth proportional to 70,619.26, 105,959.67 and 26,236.12 is: 39,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,619.26 : 105,959.67 = 26,236.12 : x
  2. Step 2: Convert to fraction form
    70,619.26/105,959.67 = 26,236.12/x
  3. Step 3: Cross multiply
    70,619.26x = 105,959.67 × 26,236.12
  4. Step 4: Simplify right side
    70,619.26x = 2,779,970,617.28
  5. Step 5: Solve for x
    x = 2,779,970,617.28/70,619.26
  6. Step 6: Final answer
    x = 39,365.62

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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.