Home / 82,041.98-113,255.73-48,045.74

Finding the Fourth Proportional to 82,041.98, 113,255.73 and 48,045.74

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Solution

The fourth proportional to 82,041.98, 113,255.73 and 48,045.74 is: 66,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,041.98 : 113,255.73 = 48,045.74 : x
  2. Step 2: Convert to fraction form
    82,041.98/113,255.73 = 48,045.74/x
  3. Step 3: Cross multiply
    82,041.98x = 113,255.73 × 48,045.74
  4. Step 4: Simplify right side
    82,041.98x = 5,441,454,790.81
  5. Step 5: Solve for x
    x = 5,441,454,790.81/82,041.98
  6. Step 6: Final answer
    x = 66,325.25

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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.