Home / 70,434.12-105,645.96-26,040.12

Finding the Fourth Proportional to 70,434.12, 105,645.96 and 26,040.12

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Solution

The fourth proportional to 70,434.12, 105,645.96 and 26,040.12 is: 39,058.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,434.12 : 105,645.96 = 26,040.12 : x
  2. Step 2: Convert to fraction form
    70,434.12/105,645.96 = 26,040.12/x
  3. Step 3: Cross multiply
    70,434.12x = 105,645.96 × 26,040.12
  4. Step 4: Simplify right side
    70,434.12x = 2,751,033,475.92
  5. Step 5: Solve for x
    x = 2,751,033,475.92/70,434.12
  6. Step 6: Final answer
    x = 39,058.25

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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.