Home / 105,858.04-158,685.98-39,280.36

Finding the Fourth Proportional to 105,858.04, 158,685.98 and 39,280.36

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Solution

The fourth proportional to 105,858.04, 158,685.98 and 39,280.36 is: 58,883.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,858.04 : 158,685.98 = 39,280.36 : x
  2. Step 2: Convert to fraction form
    105,858.04/158,685.98 = 39,280.36/x
  3. Step 3: Cross multiply
    105,858.04x = 158,685.98 × 39,280.36
  4. Step 4: Simplify right side
    105,858.04x = 6,233,242,421.35
  5. Step 5: Solve for x
    x = 6,233,242,421.35/105,858.04
  6. Step 6: Final answer
    x = 58,883.03

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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.