Home / 85,632.81-118,171.38-46,870.44

Finding the Fourth Proportional to 85,632.81, 118,171.38 and 46,870.44

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Solution

The fourth proportional to 85,632.81, 118,171.38 and 46,870.44 is: 64,680.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,632.81 : 118,171.38 = 46,870.44 : x
  2. Step 2: Convert to fraction form
    85,632.81/118,171.38 = 46,870.44/x
  3. Step 3: Cross multiply
    85,632.81x = 118,171.38 × 46,870.44
  4. Step 4: Simplify right side
    85,632.81x = 5,538,744,576.01
  5. Step 5: Solve for x
    x = 5,538,744,576.01/85,632.81
  6. Step 6: Final answer
    x = 64,680.17

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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.