Home / 42,843.23-64,153.05-34,477.55

Finding the Fourth Proportional to 42,843.23, 64,153.05 and 34,477.55

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Solution

The fourth proportional to 42,843.23, 64,153.05 and 34,477.55 is: 51,626.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,843.23 : 64,153.05 = 34,477.55 : x
  2. Step 2: Convert to fraction form
    42,843.23/64,153.05 = 34,477.55/x
  3. Step 3: Cross multiply
    42,843.23x = 64,153.05 × 34,477.55
  4. Step 4: Simplify right side
    42,843.23x = 2,211,839,668.26
  5. Step 5: Solve for x
    x = 2,211,839,668.26/42,843.23
  6. Step 6: Final answer
    x = 51,626.36

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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.