Home / 111,830.47-154,330.29-64,093.03

Finding the Fourth Proportional to 111,830.47, 154,330.29 and 64,093.03

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Solution

The fourth proportional to 111,830.47, 154,330.29 and 64,093.03 is: 88,450.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,830.47 : 154,330.29 = 64,093.03 : x
  2. Step 2: Convert to fraction form
    111,830.47/154,330.29 = 64,093.03/x
  3. Step 3: Cross multiply
    111,830.47x = 154,330.29 × 64,093.03
  4. Step 4: Simplify right side
    111,830.47x = 9,891,495,521.05
  5. Step 5: Solve for x
    x = 9,891,495,521.05/111,830.47
  6. Step 6: Final answer
    x = 88,450.81

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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.