Home / 82,671.36-114,042.24-57,477.12

Finding the Fourth Proportional to 82,671.36, 114,042.24 and 57,477.12

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Solution

The fourth proportional to 82,671.36, 114,042.24 and 57,477.12 is: 79,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,671.36 : 114,042.24 = 57,477.12 : x
  2. Step 2: Convert to fraction form
    82,671.36/114,042.24 = 57,477.12/x
  3. Step 3: Cross multiply
    82,671.36x = 114,042.24 × 57,477.12
  4. Step 4: Simplify right side
    82,671.36x = 6,554,819,513.55
  5. Step 5: Solve for x
    x = 6,554,819,513.55/82,671.36
  6. Step 6: Final answer
    x = 79,287.67

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1.5x scale

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.