Home / 81,935.76-113,071.59-46,126.32

Finding the Fourth Proportional to 81,935.76, 113,071.59 and 46,126.32

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Solution

The fourth proportional to 81,935.76, 113,071.59 and 46,126.32 is: 63,654.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,935.76 : 113,071.59 = 46,126.32 : x
  2. Step 2: Convert to fraction form
    81,935.76/113,071.59 = 46,126.32/x
  3. Step 3: Cross multiply
    81,935.76x = 113,071.59 × 46,126.32
  4. Step 4: Simplify right side
    81,935.76x = 5,215,576,343.25
  5. Step 5: Solve for x
    x = 5,215,576,343.25/81,935.76
  6. Step 6: Final answer
    x = 63,654.46

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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.