Home / 85,633.31-118,172.07-46,870.94

Finding the Fourth Proportional to 85,633.31, 118,172.07 and 46,870.94

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Solution

The fourth proportional to 85,633.31, 118,172.07 and 46,870.94 is: 64,680.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,633.31 : 118,172.07 = 46,870.94 : x
  2. Step 2: Convert to fraction form
    85,633.31/118,172.07 = 46,870.94/x
  3. Step 3: Cross multiply
    85,633.31x = 118,172.07 × 46,870.94
  4. Step 4: Simplify right side
    85,633.31x = 5,538,835,411.79
  5. Step 5: Solve for x
    x = 5,538,835,411.79/85,633.31
  6. Step 6: Final answer
    x = 64,680.86

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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.