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Finding the Fourth Proportional to 70,790.37, 106,204.07 and 26,417.52

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Solution

The fourth proportional to 70,790.37, 106,204.07 and 26,417.52 is: 39,633.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,790.37 : 106,204.07 = 26,417.52 : x
  2. Step 2: Convert to fraction form
    70,790.37/106,204.07 = 26,417.52/x
  3. Step 3: Cross multiply
    70,790.37x = 106,204.07 × 26,417.52
  4. Step 4: Simplify right side
    70,790.37x = 2,805,648,143.31
  5. Step 5: Solve for x
    x = 2,805,648,143.31/70,790.37
  6. Step 6: Final answer
    x = 39,633.19

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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.