Home / 111,486.99-167,256.02-48,317.71

Finding the Fourth Proportional to 111,486.99, 167,256.02 and 48,317.71

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Solution

The fourth proportional to 111,486.99, 167,256.02 and 48,317.71 is: 72,487.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,486.99 : 167,256.02 = 48,317.71 : x
  2. Step 2: Convert to fraction form
    111,486.99/167,256.02 = 48,317.71/x
  3. Step 3: Cross multiply
    111,486.99x = 167,256.02 × 48,317.71
  4. Step 4: Simplify right side
    111,486.99x = 8,081,427,870.11
  5. Step 5: Solve for x
    x = 8,081,427,870.11/111,486.99
  6. Step 6: Final answer
    x = 72,487.63

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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.