Home / 104,285.50-143,921.36-58,963.93

Finding the Fourth Proportional to 104,285.50, 143,921.36 and 58,963.93

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Solution

The fourth proportional to 104,285.50, 143,921.36 and 58,963.93 is: 81,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,285.50 : 143,921.36 = 58,963.93 : x
  2. Step 2: Convert to fraction form
    104,285.50/143,921.36 = 58,963.93/x
  3. Step 3: Cross multiply
    104,285.50x = 143,921.36 × 58,963.93
  4. Step 4: Simplify right side
    104,285.50x = 8,486,168,784.15
  5. Step 5: Solve for x
    x = 8,486,168,784.15/104,285.50
  6. Step 6: Final answer
    x = 81,374.39

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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.