Home / 43,128.51-64,698.84-15,044.47

Finding the Fourth Proportional to 43,128.51, 64,698.84 and 15,044.47

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Solution

The fourth proportional to 43,128.51, 64,698.84 and 15,044.47 is: 22,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,128.51 : 64,698.84 = 15,044.47 : x
  2. Step 2: Convert to fraction form
    43,128.51/64,698.84 = 15,044.47/x
  3. Step 3: Cross multiply
    43,128.51x = 64,698.84 × 15,044.47
  4. Step 4: Simplify right side
    43,128.51x = 973,359,595.67
  5. Step 5: Solve for x
    x = 973,359,595.67/43,128.51
  6. Step 6: Final answer
    x = 22,568.82

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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.