Home / 76,670.72-105,804.02-48,006.18

Finding the Fourth Proportional to 76,670.72, 105,804.02 and 48,006.18

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Solution

The fourth proportional to 76,670.72, 105,804.02 and 48,006.18 is: 66,247.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,670.72 : 105,804.02 = 48,006.18 : x
  2. Step 2: Convert to fraction form
    76,670.72/105,804.02 = 48,006.18/x
  3. Step 3: Cross multiply
    76,670.72x = 105,804.02 × 48,006.18
  4. Step 4: Simplify right side
    76,670.72x = 5,079,246,588.81
  5. Step 5: Solve for x
    x = 5,079,246,588.81/76,670.72
  6. Step 6: Final answer
    x = 66,247.54

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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.