Home / 111,647.93-154,074.32-60,660.86

Finding the Fourth Proportional to 111,647.93, 154,074.32 and 60,660.86

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Solution

The fourth proportional to 111,647.93, 154,074.32 and 60,660.86 is: 83,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,647.93 : 154,074.32 = 60,660.86 : x
  2. Step 2: Convert to fraction form
    111,647.93/154,074.32 = 60,660.86/x
  3. Step 3: Cross multiply
    111,647.93x = 154,074.32 × 60,660.86
  4. Step 4: Simplify right side
    111,647.93x = 9,346,280,136.40
  5. Step 5: Solve for x
    x = 9,346,280,136.40/111,647.93
  6. Step 6: Final answer
    x = 83,712.08

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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.