Home / 82,720.21-114,174.17-46,931.17

Finding the Fourth Proportional to 82,720.21, 114,174.17 and 46,931.17

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Solution

The fourth proportional to 82,720.21, 114,174.17 and 46,931.17 is: 64,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,720.21 : 114,174.17 = 46,931.17 : x
  2. Step 2: Convert to fraction form
    82,720.21/114,174.17 = 46,931.17/x
  3. Step 3: Cross multiply
    82,720.21x = 114,174.17 × 46,931.17
  4. Step 4: Simplify right side
    82,720.21x = 5,358,326,576.35
  5. Step 5: Solve for x
    x = 5,358,326,576.35/82,720.21
  6. Step 6: Final answer
    x = 64,776.51

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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.