Home / 78,059.73-117,089.43-60,316.19

Finding the Fourth Proportional to 78,059.73, 117,089.43 and 60,316.19

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Solution

The fourth proportional to 78,059.73, 117,089.43 and 60,316.19 is: 90,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,059.73 : 117,089.43 = 60,316.19 : x
  2. Step 2: Convert to fraction form
    78,059.73/117,089.43 = 60,316.19/x
  3. Step 3: Cross multiply
    78,059.73x = 117,089.43 × 60,316.19
  4. Step 4: Simplify right side
    78,059.73x = 7,062,388,306.87
  5. Step 5: Solve for x
    x = 7,062,388,306.87/78,059.73
  6. Step 6: Final answer
    x = 90,474.16

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1.5x scale

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.