Home / 73,038.89-109,574.75-23,121.98

Finding the Fourth Proportional to 73,038.89, 109,574.75 and 23,121.98

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Solution

The fourth proportional to 73,038.89, 109,574.75 and 23,121.98 is: 34,688.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,038.89 : 109,574.75 = 23,121.98 : x
  2. Step 2: Convert to fraction form
    73,038.89/109,574.75 = 23,121.98/x
  3. Step 3: Cross multiply
    73,038.89x = 109,574.75 × 23,121.98
  4. Step 4: Simplify right side
    73,038.89x = 2,533,585,178.01
  5. Step 5: Solve for x
    x = 2,533,585,178.01/73,038.89
  6. Step 6: Final answer
    x = 34,688.17

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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.