Home / 82,742.64-114,185.34-45,017.16

Finding the Fourth Proportional to 82,742.64, 114,185.34 and 45,017.16

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Solution

The fourth proportional to 82,742.64, 114,185.34 and 45,017.16 is: 62,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,742.64 : 114,185.34 = 45,017.16 : x
  2. Step 2: Convert to fraction form
    82,742.64/114,185.34 = 45,017.16/x
  3. Step 3: Cross multiply
    82,742.64x = 114,185.34 × 45,017.16
  4. Step 4: Simplify right side
    82,742.64x = 5,140,299,720.43
  5. Step 5: Solve for x
    x = 5,140,299,720.43/82,742.64
  6. Step 6: Final answer
    x = 62,123.95

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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.