Home / 70,397.35-105,333.58-69,610.03

Finding the Fourth Proportional to 70,397.35, 105,333.58 and 69,610.03

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Solution

The fourth proportional to 70,397.35, 105,333.58 and 69,610.03 is: 104,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,397.35 : 105,333.58 = 69,610.03 : x
  2. Step 2: Convert to fraction form
    70,397.35/105,333.58 = 69,610.03/x
  3. Step 3: Cross multiply
    70,397.35x = 105,333.58 × 69,610.03
  4. Step 4: Simplify right side
    70,397.35x = 7,332,273,663.81
  5. Step 5: Solve for x
    x = 7,332,273,663.81/70,397.35
  6. Step 6: Final answer
    x = 104,155.54

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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.