Home / 70,336.18-105,504.36-17,749.72

Finding the Fourth Proportional to 70,336.18, 105,504.36 and 17,749.72

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Solution

The fourth proportional to 70,336.18, 105,504.36 and 17,749.72 is: 26,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,336.18 : 105,504.36 = 17,749.72 : x
  2. Step 2: Convert to fraction form
    70,336.18/105,504.36 = 17,749.72/x
  3. Step 3: Cross multiply
    70,336.18x = 105,504.36 × 17,749.72
  4. Step 4: Simplify right side
    70,336.18x = 1,872,672,848.78
  5. Step 5: Solve for x
    x = 1,872,672,848.78/70,336.18
  6. Step 6: Final answer
    x = 26,624.60

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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.