Home / 70,367.60-97,083.18-40,131.08

Finding the Fourth Proportional to 70,367.60, 97,083.18 and 40,131.08

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Solution

The fourth proportional to 70,367.60, 97,083.18 and 40,131.08 is: 55,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,367.60 : 97,083.18 = 40,131.08 : x
  2. Step 2: Convert to fraction form
    70,367.60/97,083.18 = 40,131.08/x
  3. Step 3: Cross multiply
    70,367.60x = 97,083.18 × 40,131.08
  4. Step 4: Simplify right side
    70,367.60x = 3,896,052,863.23
  5. Step 5: Solve for x
    x = 3,896,052,863.23/70,367.60
  6. Step 6: Final answer
    x = 55,367.14

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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.