Home / 88,321.93-121,880.75-48,035.67

Finding the Fourth Proportional to 88,321.93, 121,880.75 and 48,035.67

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Solution

The fourth proportional to 88,321.93, 121,880.75 and 48,035.67 is: 66,287.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,321.93 : 121,880.75 = 48,035.67 : x
  2. Step 2: Convert to fraction form
    88,321.93/121,880.75 = 48,035.67/x
  3. Step 3: Cross multiply
    88,321.93x = 121,880.75 × 48,035.67
  4. Step 4: Simplify right side
    88,321.93x = 5,854,623,059.32
  5. Step 5: Solve for x
    x = 5,854,623,059.32/88,321.93
  6. Step 6: Final answer
    x = 66,287.31

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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.