Home / 70,879.09-106,337.82-26,510.32

Finding the Fourth Proportional to 70,879.09, 106,337.82 and 26,510.32

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Solution

The fourth proportional to 70,879.09, 106,337.82 and 26,510.32 is: 39,772.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,879.09 : 106,337.82 = 26,510.32 : x
  2. Step 2: Convert to fraction form
    70,879.09/106,337.82 = 26,510.32/x
  3. Step 3: Cross multiply
    70,879.09x = 106,337.82 × 26,510.32
  4. Step 4: Simplify right side
    70,879.09x = 2,819,049,636.30
  5. Step 5: Solve for x
    x = 2,819,049,636.30/70,879.09
  6. Step 6: Final answer
    x = 39,772.66

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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.