Home / 104,344.48-143,947.56-61,887.52

Finding the Fourth Proportional to 104,344.48, 143,947.56 and 61,887.52

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Solution

The fourth proportional to 104,344.48, 143,947.56 and 61,887.52 is: 85,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,344.48 : 143,947.56 = 61,887.52 : x
  2. Step 2: Convert to fraction form
    104,344.48/143,947.56 = 61,887.52/x
  3. Step 3: Cross multiply
    104,344.48x = 143,947.56 × 61,887.52
  4. Step 4: Simplify right side
    104,344.48x = 8,908,557,498.45
  5. Step 5: Solve for x
    x = 8,908,557,498.45/104,344.48
  6. Step 6: Final answer
    x = 85,376.41

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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.