Home / 73,689.04-110,533.23-21,098.50

Finding the Fourth Proportional to 73,689.04, 110,533.23 and 21,098.50

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Solution

The fourth proportional to 73,689.04, 110,533.23 and 21,098.50 is: 31,647.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,689.04 : 110,533.23 = 21,098.50 : x
  2. Step 2: Convert to fraction form
    73,689.04/110,533.23 = 21,098.50/x
  3. Step 3: Cross multiply
    73,689.04x = 110,533.23 × 21,098.50
  4. Step 4: Simplify right side
    73,689.04x = 2,332,085,353.16
  5. Step 5: Solve for x
    x = 2,332,085,353.16/73,689.04
  6. Step 6: Final answer
    x = 31,647.66

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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.