Home / 82,678.37-114,152.50-55,495.23

Finding the Fourth Proportional to 82,678.37, 114,152.50 and 55,495.23

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Solution

The fourth proportional to 82,678.37, 114,152.50 and 55,495.23 is: 76,621.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,678.37 : 114,152.50 = 55,495.23 : x
  2. Step 2: Convert to fraction form
    82,678.37/114,152.50 = 55,495.23/x
  3. Step 3: Cross multiply
    82,678.37x = 114,152.50 × 55,495.23
  4. Step 4: Simplify right side
    82,678.37x = 6,334,918,671.81
  5. Step 5: Solve for x
    x = 6,334,918,671.81/82,678.37
  6. Step 6: Final answer
    x = 76,621.23

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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.