Home / 104,678.04-156,892-38,040.16

Finding the Fourth Proportional to 104,678.04, 156,892 and 38,040.16

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Solution

The fourth proportional to 104,678.04, 156,892 and 38,040.16 is: 57,014.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,678.04 : 156,892 = 38,040.16 : x
  2. Step 2: Convert to fraction form
    104,678.04/156,892 = 38,040.16/x
  3. Step 3: Cross multiply
    104,678.04x = 156,892 × 38,040.16
  4. Step 4: Simplify right side
    104,678.04x = 5,968,196,782.72
  5. Step 5: Solve for x
    x = 5,968,196,782.72/104,678.04
  6. Step 6: Final answer
    x = 57,014.79

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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.