Home / 78,852.10-118,297.07-26,262.06

Finding the Fourth Proportional to 78,852.10, 118,297.07 and 26,262.06

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Solution

The fourth proportional to 78,852.10, 118,297.07 and 26,262.06 is: 39,399.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,852.10 : 118,297.07 = 26,262.06 : x
  2. Step 2: Convert to fraction form
    78,852.10/118,297.07 = 26,262.06/x
  3. Step 3: Cross multiply
    78,852.10x = 118,297.07 × 26,262.06
  4. Step 4: Simplify right side
    78,852.10x = 3,106,724,750.16
  5. Step 5: Solve for x
    x = 3,106,724,750.16/78,852.10
  6. Step 6: Final answer
    x = 39,399.39

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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.