Home / 85,828.25-118,450.28-48,109.79

Finding the Fourth Proportional to 85,828.25, 118,450.28 and 48,109.79

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Solution

The fourth proportional to 85,828.25, 118,450.28 and 48,109.79 is: 66,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,828.25 : 118,450.28 = 48,109.79 : x
  2. Step 2: Convert to fraction form
    85,828.25/118,450.28 = 48,109.79/x
  3. Step 3: Cross multiply
    85,828.25x = 118,450.28 × 48,109.79
  4. Step 4: Simplify right side
    85,828.25x = 5,698,618,096.24
  5. Step 5: Solve for x
    x = 5,698,618,096.24/85,828.25
  6. Step 6: Final answer
    x = 66,395.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.