Home / 45,930.63-68,898.45-14,345.03

Finding the Fourth Proportional to 45,930.63, 68,898.45 and 14,345.03

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Solution

The fourth proportional to 45,930.63, 68,898.45 and 14,345.03 is: 21,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,930.63 : 68,898.45 = 14,345.03 : x
  2. Step 2: Convert to fraction form
    45,930.63/68,898.45 = 14,345.03/x
  3. Step 3: Cross multiply
    45,930.63x = 68,898.45 × 14,345.03
  4. Step 4: Simplify right side
    45,930.63x = 988,349,987.71
  5. Step 5: Solve for x
    x = 988,349,987.71/45,930.63
  6. Step 6: Final answer
    x = 21,518.32

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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.