Home / 111,690.16-154,133.08-60,703.29

Finding the Fourth Proportional to 111,690.16, 154,133.08 and 60,703.29

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Solution

The fourth proportional to 111,690.16, 154,133.08 and 60,703.29 is: 83,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,690.16 : 154,133.08 = 60,703.29 : x
  2. Step 2: Convert to fraction form
    111,690.16/154,133.08 = 60,703.29/x
  3. Step 3: Cross multiply
    111,690.16x = 154,133.08 × 60,703.29
  4. Step 4: Simplify right side
    111,690.16x = 9,356,384,902.07
  5. Step 5: Solve for x
    x = 9,356,384,902.07/111,690.16
  6. Step 6: Final answer
    x = 83,770.90

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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.