Home / 45,805.64-68,718.26-14,215.01

Finding the Fourth Proportional to 45,805.64, 68,718.26 and 14,215.01

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Solution

The fourth proportional to 45,805.64, 68,718.26 and 14,215.01 is: 21,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,805.64 : 68,718.26 = 14,215.01 : x
  2. Step 2: Convert to fraction form
    45,805.64/68,718.26 = 14,215.01/x
  3. Step 3: Cross multiply
    45,805.64x = 68,718.26 × 14,215.01
  4. Step 4: Simplify right side
    45,805.64x = 976,830,445.03
  5. Step 5: Solve for x
    x = 976,830,445.03/45,805.64
  6. Step 6: Final answer
    x = 21,325.55

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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.