Home / 73,663.02-110,495.54-21,072.50

Finding the Fourth Proportional to 73,663.02, 110,495.54 and 21,072.50

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Solution

The fourth proportional to 73,663.02, 110,495.54 and 21,072.50 is: 31,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,663.02 : 110,495.54 = 21,072.50 : x
  2. Step 2: Convert to fraction form
    73,663.02/110,495.54 = 21,072.50/x
  3. Step 3: Cross multiply
    73,663.02x = 110,495.54 × 21,072.50
  4. Step 4: Simplify right side
    73,663.02x = 2,328,417,802.75
  5. Step 5: Solve for x
    x = 2,328,417,802.75/73,663.02
  6. Step 6: Final answer
    x = 31,609.05

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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.