Home / 102,621.10-153,603.60-73,096.60

Finding the Fourth Proportional to 102,621.10, 153,603.60 and 73,096.60

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Solution

The fourth proportional to 102,621.10, 153,603.60 and 73,096.60 is: 109,411.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,621.10 : 153,603.60 = 73,096.60 : x
  2. Step 2: Convert to fraction form
    102,621.10/153,603.60 = 73,096.60/x
  3. Step 3: Cross multiply
    102,621.10x = 153,603.60 × 73,096.60
  4. Step 4: Simplify right side
    102,621.10x = 11,227,900,907.76
  5. Step 5: Solve for x
    x = 11,227,900,907.76/102,621.10
  6. Step 6: Final answer
    x = 109,411.23

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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.