Home / 43,064.04-64,561.16-13,466.64

Finding the Fourth Proportional to 43,064.04, 64,561.16 and 13,466.64

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Solution

The fourth proportional to 43,064.04, 64,561.16 and 13,466.64 is: 20,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,064.04 : 64,561.16 = 13,466.64 : x
  2. Step 2: Convert to fraction form
    43,064.04/64,561.16 = 13,466.64/x
  3. Step 3: Cross multiply
    43,064.04x = 64,561.16 × 13,466.64
  4. Step 4: Simplify right side
    43,064.04x = 869,421,899.70
  5. Step 5: Solve for x
    x = 869,421,899.70/43,064.04
  6. Step 6: Final answer
    x = 20,189.05

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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.