Home / 111,821.12-154,316.08-60,837.04

Finding the Fourth Proportional to 111,821.12, 154,316.08 and 60,837.04

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Solution

The fourth proportional to 111,821.12, 154,316.08 and 60,837.04 is: 83,956.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,821.12 : 154,316.08 = 60,837.04 : x
  2. Step 2: Convert to fraction form
    111,821.12/154,316.08 = 60,837.04/x
  3. Step 3: Cross multiply
    111,821.12x = 154,316.08 × 60,837.04
  4. Step 4: Simplify right side
    111,821.12x = 9,388,133,531.60
  5. Step 5: Solve for x
    x = 9,388,133,531.60/111,821.12
  6. Step 6: Final answer
    x = 83,956.71

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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.