Home / 74,484.06-102,787.77-40,492.50

Finding the Fourth Proportional to 74,484.06, 102,787.77 and 40,492.50

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Solution

The fourth proportional to 74,484.06, 102,787.77 and 40,492.50 is: 55,879.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,484.06 : 102,787.77 = 40,492.50 : x
  2. Step 2: Convert to fraction form
    74,484.06/102,787.77 = 40,492.50/x
  3. Step 3: Cross multiply
    74,484.06x = 102,787.77 × 40,492.50
  4. Step 4: Simplify right side
    74,484.06x = 4,162,133,776.73
  5. Step 5: Solve for x
    x = 4,162,133,776.73/74,484.06
  6. Step 6: Final answer
    x = 55,879.52

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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.