Home / 70,660.96-97,516.47-40,445.58

Finding the Fourth Proportional to 70,660.96, 97,516.47 and 40,445.58

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Solution

The fourth proportional to 70,660.96, 97,516.47 and 40,445.58 is: 55,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,660.96 : 97,516.47 = 40,445.58 : x
  2. Step 2: Convert to fraction form
    70,660.96/97,516.47 = 40,445.58/x
  3. Step 3: Cross multiply
    70,660.96x = 97,516.47 × 40,445.58
  4. Step 4: Simplify right side
    70,660.96x = 3,944,110,188.70
  5. Step 5: Solve for x
    x = 3,944,110,188.70/70,660.96
  6. Step 6: Final answer
    x = 55,817.39

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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.