Home / 111,825.48-154,315.62-61,524.20

Finding the Fourth Proportional to 111,825.48, 154,315.62 and 61,524.20

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Solution

The fourth proportional to 111,825.48, 154,315.62 and 61,524.20 is: 84,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,825.48 : 154,315.62 = 61,524.20 : x
  2. Step 2: Convert to fraction form
    111,825.48/154,315.62 = 61,524.20/x
  3. Step 3: Cross multiply
    111,825.48x = 154,315.62 × 61,524.20
  4. Step 4: Simplify right side
    111,825.48x = 9,494,145,068.00
  5. Step 5: Solve for x
    x = 9,494,145,068.00/111,825.48
  6. Step 6: Final answer
    x = 84,901.45

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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.