Home / 70,081.08-105,135.42-25,708.23

Finding the Fourth Proportional to 70,081.08, 105,135.42 and 25,708.23

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Solution

The fourth proportional to 70,081.08, 105,135.42 and 25,708.23 is: 38,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,081.08 : 105,135.42 = 25,708.23 : x
  2. Step 2: Convert to fraction form
    70,081.08/105,135.42 = 25,708.23/x
  3. Step 3: Cross multiply
    70,081.08x = 105,135.42 × 25,708.23
  4. Step 4: Simplify right side
    70,081.08x = 2,702,845,558.51
  5. Step 5: Solve for x
    x = 2,702,845,558.51/70,081.08
  6. Step 6: Final answer
    x = 38,567.41

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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.