Home / 104,084.64-143,638.08-63,237.12

Finding the Fourth Proportional to 104,084.64, 143,638.08 and 63,237.12

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Solution

The fourth proportional to 104,084.64, 143,638.08 and 63,237.12 is: 87,268.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,084.64 : 143,638.08 = 63,237.12 : x
  2. Step 2: Convert to fraction form
    104,084.64/143,638.08 = 63,237.12/x
  3. Step 3: Cross multiply
    104,084.64x = 143,638.08 × 63,237.12
  4. Step 4: Simplify right side
    104,084.64x = 9,083,258,501.53
  5. Step 5: Solve for x
    x = 9,083,258,501.53/104,084.64
  6. Step 6: Final answer
    x = 87,268.00

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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.