Home / 68,219.20-102,328.80-62,314.30

Finding the Fourth Proportional to 68,219.20, 102,328.80 and 62,314.30

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Solution

The fourth proportional to 68,219.20, 102,328.80 and 62,314.30 is: 93,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,219.20 : 102,328.80 = 62,314.30 : x
  2. Step 2: Convert to fraction form
    68,219.20/102,328.80 = 62,314.30/x
  3. Step 3: Cross multiply
    68,219.20x = 102,328.80 × 62,314.30
  4. Step 4: Simplify right side
    68,219.20x = 6,376,547,541.84
  5. Step 5: Solve for x
    x = 6,376,547,541.84/68,219.20
  6. Step 6: Final answer
    x = 93,471.45

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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.