Home / 111,975.40-154,527.90-60,989.13

Finding the Fourth Proportional to 111,975.40, 154,527.90 and 60,989.13

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Solution

The fourth proportional to 111,975.40, 154,527.90 and 60,989.13 is: 84,166.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,975.40 : 154,527.90 = 60,989.13 : x
  2. Step 2: Convert to fraction form
    111,975.40/154,527.90 = 60,989.13/x
  3. Step 3: Cross multiply
    111,975.40x = 154,527.90 × 60,989.13
  4. Step 4: Simplify right side
    111,975.40x = 9,424,522,181.73
  5. Step 5: Solve for x
    x = 9,424,522,181.73/111,975.40
  6. Step 6: Final answer
    x = 84,166.01

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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.