Home / 45,663.76-68,495.77-14,072.80

Finding the Fourth Proportional to 45,663.76, 68,495.77 and 14,072.80

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Solution

The fourth proportional to 45,663.76, 68,495.77 and 14,072.80 is: 21,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,663.76 : 68,495.77 = 14,072.80 : x
  2. Step 2: Convert to fraction form
    45,663.76/68,495.77 = 14,072.80/x
  3. Step 3: Cross multiply
    45,663.76x = 68,495.77 × 14,072.80
  4. Step 4: Simplify right side
    45,663.76x = 963,927,272.06
  5. Step 5: Solve for x
    x = 963,927,272.06/45,663.76
  6. Step 6: Final answer
    x = 21,109.24

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1.5x scale

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.