Home / 45,558.99-68,341.32-13,970.07

Finding the Fourth Proportional to 45,558.99, 68,341.32 and 13,970.07

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Solution

The fourth proportional to 45,558.99, 68,341.32 and 13,970.07 is: 20,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,558.99 : 68,341.32 = 13,970.07 : x
  2. Step 2: Convert to fraction form
    45,558.99/68,341.32 = 13,970.07/x
  3. Step 3: Cross multiply
    45,558.99x = 68,341.32 × 13,970.07
  4. Step 4: Simplify right side
    45,558.99x = 954,733,024.29
  5. Step 5: Solve for x
    x = 954,733,024.29/45,558.99
  6. Step 6: Final answer
    x = 20,955.97

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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.