Home / 43,087.23-64,630.36-16,810.43

Finding the Fourth Proportional to 43,087.23, 64,630.36 and 16,810.43

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Solution

The fourth proportional to 43,087.23, 64,630.36 and 16,810.43 is: 25,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,087.23 : 64,630.36 = 16,810.43 : x
  2. Step 2: Convert to fraction form
    43,087.23/64,630.36 = 16,810.43/x
  3. Step 3: Cross multiply
    43,087.23x = 64,630.36 × 16,810.43
  4. Step 4: Simplify right side
    43,087.23x = 1,086,463,840.52
  5. Step 5: Solve for x
    x = 1,086,463,840.52/43,087.23
  6. Step 6: Final answer
    x = 25,215.45

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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.