Home / 73,688.04-110,531.73-21,097.50

Finding the Fourth Proportional to 73,688.04, 110,531.73 and 21,097.50

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Solution

The fourth proportional to 73,688.04, 110,531.73 and 21,097.50 is: 31,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,688.04 : 110,531.73 = 21,097.50 : x
  2. Step 2: Convert to fraction form
    73,688.04/110,531.73 = 21,097.50/x
  3. Step 3: Cross multiply
    73,688.04x = 110,531.73 × 21,097.50
  4. Step 4: Simplify right side
    73,688.04x = 2,331,943,173.68
  5. Step 5: Solve for x
    x = 2,331,943,173.68/73,688.04
  6. Step 6: Final answer
    x = 31,646.16

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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.