Home / 42,623.51-63,890.66-14,533.72

Finding the Fourth Proportional to 42,623.51, 63,890.66 and 14,533.72

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Solution

The fourth proportional to 42,623.51, 63,890.66 and 14,533.72 is: 21,785.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,623.51 : 63,890.66 = 14,533.72 : x
  2. Step 2: Convert to fraction form
    42,623.51/63,890.66 = 14,533.72/x
  3. Step 3: Cross multiply
    42,623.51x = 63,890.66 × 14,533.72
  4. Step 4: Simplify right side
    42,623.51x = 928,568,839.66
  5. Step 5: Solve for x
    x = 928,568,839.66/42,623.51
  6. Step 6: Final answer
    x = 21,785.37

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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.