Home / 115,325.73-159,122.37-70,002.60

Finding the Fourth Proportional to 115,325.73, 159,122.37 and 70,002.60

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Solution

The fourth proportional to 115,325.73, 159,122.37 and 70,002.60 is: 96,587.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,325.73 : 159,122.37 = 70,002.60 : x
  2. Step 2: Convert to fraction form
    115,325.73/159,122.37 = 70,002.60/x
  3. Step 3: Cross multiply
    115,325.73x = 159,122.37 × 70,002.60
  4. Step 4: Simplify right side
    115,325.73x = 11,138,979,618.16
  5. Step 5: Solve for x
    x = 11,138,979,618.16/115,325.73
  6. Step 6: Final answer
    x = 96,587.12

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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.