Home / 70,347.57-97,070.58-40,131.09

Finding the Fourth Proportional to 70,347.57, 97,070.58 and 40,131.09

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Solution

The fourth proportional to 70,347.57, 97,070.58 and 40,131.09 is: 55,375.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,347.57 : 97,070.58 = 40,131.09 : x
  2. Step 2: Convert to fraction form
    70,347.57/97,070.58 = 40,131.09/x
  3. Step 3: Cross multiply
    70,347.57x = 97,070.58 × 40,131.09
  4. Step 4: Simplify right side
    70,347.57x = 3,895,548,182.33
  5. Step 5: Solve for x
    x = 3,895,548,182.33/70,347.57
  6. Step 6: Final answer
    x = 55,375.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.