Home / 115,906.48-159,975.84-70,599.40

Finding the Fourth Proportional to 115,906.48, 159,975.84 and 70,599.40

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Solution

The fourth proportional to 115,906.48, 159,975.84 and 70,599.40 is: 97,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,906.48 : 159,975.84 = 70,599.40 : x
  2. Step 2: Convert to fraction form
    115,906.48/159,975.84 = 70,599.40/x
  3. Step 3: Cross multiply
    115,906.48x = 159,975.84 × 70,599.40
  4. Step 4: Simplify right side
    115,906.48x = 11,294,198,318.50
  5. Step 5: Solve for x
    x = 11,294,198,318.50/115,906.48
  6. Step 6: Final answer
    x = 97,442.34

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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.