Home / 51,742.84-77,612.66-14,305.18

Finding the Fourth Proportional to 51,742.84, 77,612.66 and 14,305.18

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Solution

The fourth proportional to 51,742.84, 77,612.66 and 14,305.18 is: 21,457.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,742.84 : 77,612.66 = 14,305.18 : x
  2. Step 2: Convert to fraction form
    51,742.84/77,612.66 = 14,305.18/x
  3. Step 3: Cross multiply
    51,742.84x = 77,612.66 × 14,305.18
  4. Step 4: Simplify right side
    51,742.84x = 1,110,263,071.58
  5. Step 5: Solve for x
    x = 1,110,263,071.58/51,742.84
  6. Step 6: Final answer
    x = 21,457.33

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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.