Home / 104,810.72-144,606.36-63,983.60

Finding the Fourth Proportional to 104,810.72, 144,606.36 and 63,983.60

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Solution

The fourth proportional to 104,810.72, 144,606.36 and 63,983.60 is: 88,277.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,810.72 : 144,606.36 = 63,983.60 : x
  2. Step 2: Convert to fraction form
    104,810.72/144,606.36 = 63,983.60/x
  3. Step 3: Cross multiply
    104,810.72x = 144,606.36 × 63,983.60
  4. Step 4: Simplify right side
    104,810.72x = 9,252,435,495.70
  5. Step 5: Solve for x
    x = 9,252,435,495.70/104,810.72
  6. Step 6: Final answer
    x = 88,277.57

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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.