Home / 82,825.12-114,298.59-45,099.64

Finding the Fourth Proportional to 82,825.12, 114,298.59 and 45,099.64

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Solution

The fourth proportional to 82,825.12, 114,298.59 and 45,099.64 is: 62,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,825.12 : 114,298.59 = 45,099.64 : x
  2. Step 2: Convert to fraction form
    82,825.12/114,298.59 = 45,099.64/x
  3. Step 3: Cross multiply
    82,825.12x = 114,298.59 × 45,099.64
  4. Step 4: Simplify right side
    82,825.12x = 5,154,825,261.51
  5. Step 5: Solve for x
    x = 5,154,825,261.51/82,825.12
  6. Step 6: Final answer
    x = 62,237.46

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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.