Home / 111,731.32-167,544.28-40,603.93

Finding the Fourth Proportional to 111,731.32, 167,544.28 and 40,603.93

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Solution

The fourth proportional to 111,731.32, 167,544.28 and 40,603.93 is: 60,886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,731.32 : 167,544.28 = 40,603.93 : x
  2. Step 2: Convert to fraction form
    111,731.32/167,544.28 = 40,603.93/x
  3. Step 3: Cross multiply
    111,731.32x = 167,544.28 × 40,603.93
  4. Step 4: Simplify right side
    111,731.32x = 6,802,956,217.02
  5. Step 5: Solve for x
    x = 6,802,956,217.02/111,731.32
  6. Step 6: Final answer
    x = 60,886.74

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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.