Home / 111,644.12-154,068.21-60,656.42

Finding the Fourth Proportional to 111,644.12, 154,068.21 and 60,656.42

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Solution

The fourth proportional to 111,644.12, 154,068.21 and 60,656.42 is: 83,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,644.12 : 154,068.21 = 60,656.42 : x
  2. Step 2: Convert to fraction form
    111,644.12/154,068.21 = 60,656.42/x
  3. Step 3: Cross multiply
    111,644.12x = 154,068.21 × 60,656.42
  4. Step 4: Simplify right side
    111,644.12x = 9,345,225,284.07
  5. Step 5: Solve for x
    x = 9,345,225,284.07/111,644.12
  6. Step 6: Final answer
    x = 83,705.49

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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.