Home / 69,657.48-96,141.33-39,442.86

Finding the Fourth Proportional to 69,657.48, 96,141.33 and 39,442.86

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Solution

The fourth proportional to 69,657.48, 96,141.33 and 39,442.86 is: 54,439.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,657.48 : 96,141.33 = 39,442.86 : x
  2. Step 2: Convert to fraction form
    69,657.48/96,141.33 = 39,442.86/x
  3. Step 3: Cross multiply
    69,657.48x = 96,141.33 × 39,442.86
  4. Step 4: Simplify right side
    69,657.48x = 3,792,089,019.40
  5. Step 5: Solve for x
    x = 3,792,089,019.40/69,657.48
  6. Step 6: Final answer
    x = 54,439.08

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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.