Home / 104,004.18-143,475.03-63,705.06

Finding the Fourth Proportional to 104,004.18, 143,475.03 and 63,705.06

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Solution

The fourth proportional to 104,004.18, 143,475.03 and 63,705.06 is: 87,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,004.18 : 143,475.03 = 63,705.06 : x
  2. Step 2: Convert to fraction form
    104,004.18/143,475.03 = 63,705.06/x
  3. Step 3: Cross multiply
    104,004.18x = 143,475.03 × 63,705.06
  4. Step 4: Simplify right side
    104,004.18x = 9,140,085,394.65
  5. Step 5: Solve for x
    x = 9,140,085,394.65/104,004.18
  6. Step 6: Final answer
    x = 87,881.90

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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.