Home / 111,554.21-167,397.81-40,482.40

Finding the Fourth Proportional to 111,554.21, 167,397.81 and 40,482.40

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Solution

The fourth proportional to 111,554.21, 167,397.81 and 40,482.40 is: 60,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,554.21 : 167,397.81 = 40,482.40 : x
  2. Step 2: Convert to fraction form
    111,554.21/167,397.81 = 40,482.40/x
  3. Step 3: Cross multiply
    111,554.21x = 167,397.81 × 40,482.40
  4. Step 4: Simplify right side
    111,554.21x = 6,776,664,901.13
  5. Step 5: Solve for x
    x = 6,776,664,901.13/111,554.21
  6. Step 6: Final answer
    x = 60,747.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.