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Finding the Fourth Proportional to 68,322.90, 102,483.90 and 31,804.14

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Solution

The fourth proportional to 68,322.90, 102,483.90 and 31,804.14 is: 47,706.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,322.90 : 102,483.90 = 31,804.14 : x
  2. Step 2: Convert to fraction form
    68,322.90/102,483.90 = 31,804.14/x
  3. Step 3: Cross multiply
    68,322.90x = 102,483.90 × 31,804.14
  4. Step 4: Simplify right side
    68,322.90x = 3,259,412,303.35
  5. Step 5: Solve for x
    x = 3,259,412,303.35/68,322.90
  6. Step 6: Final answer
    x = 47,706.00

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1.5x scale

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.