Home / 43,281.16-64,922.06-13,698.44

Finding the Fourth Proportional to 43,281.16, 64,922.06 and 13,698.44

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Solution

The fourth proportional to 43,281.16, 64,922.06 and 13,698.44 is: 20,547.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,281.16 : 64,922.06 = 13,698.44 : x
  2. Step 2: Convert to fraction form
    43,281.16/64,922.06 = 13,698.44/x
  3. Step 3: Cross multiply
    43,281.16x = 64,922.06 × 13,698.44
  4. Step 4: Simplify right side
    43,281.16x = 889,330,943.59
  5. Step 5: Solve for x
    x = 889,330,943.59/43,281.16
  6. Step 6: Final answer
    x = 20,547.76

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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.