Home / 70,540.22-97,345.45-40,326.21

Finding the Fourth Proportional to 70,540.22, 97,345.45 and 40,326.21

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Solution

The fourth proportional to 70,540.22, 97,345.45 and 40,326.21 is: 55,650.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,540.22 : 97,345.45 = 40,326.21 : x
  2. Step 2: Convert to fraction form
    70,540.22/97,345.45 = 40,326.21/x
  3. Step 3: Cross multiply
    70,540.22x = 97,345.45 × 40,326.21
  4. Step 4: Simplify right side
    70,540.22x = 3,925,573,059.24
  5. Step 5: Solve for x
    x = 3,925,573,059.24/70,540.22
  6. Step 6: Final answer
    x = 55,650.14

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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.