Home / 111,938.66-167,908-37,038.70

Finding the Fourth Proportional to 111,938.66, 167,908 and 37,038.70

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Solution

The fourth proportional to 111,938.66, 167,908 and 37,038.70 is: 55,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,938.66 : 167,908 = 37,038.70 : x
  2. Step 2: Convert to fraction form
    111,938.66/167,908 = 37,038.70/x
  3. Step 3: Cross multiply
    111,938.66x = 167,908 × 37,038.70
  4. Step 4: Simplify right side
    111,938.66x = 6,219,094,039.60
  5. Step 5: Solve for x
    x = 6,219,094,039.60/111,938.66
  6. Step 6: Final answer
    x = 55,558.05

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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.