Home / 70,166.49-105,256.82-22,779.60

Finding the Fourth Proportional to 70,166.49, 105,256.82 and 22,779.60

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Solution

The fourth proportional to 70,166.49, 105,256.82 and 22,779.60 is: 34,171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,166.49 : 105,256.82 = 22,779.60 : x
  2. Step 2: Convert to fraction form
    70,166.49/105,256.82 = 22,779.60/x
  3. Step 3: Cross multiply
    70,166.49x = 105,256.82 × 22,779.60
  4. Step 4: Simplify right side
    70,166.49x = 2,397,707,616.69
  5. Step 5: Solve for x
    x = 2,397,707,616.69/70,166.49
  6. Step 6: Final answer
    x = 34,171.69

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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.