Home / 105,813.83-146,027.28-58,068.87

Finding the Fourth Proportional to 105,813.83, 146,027.28 and 58,068.87

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Solution

The fourth proportional to 105,813.83, 146,027.28 and 58,068.87 is: 80,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,813.83 : 146,027.28 = 58,068.87 : x
  2. Step 2: Convert to fraction form
    105,813.83/146,027.28 = 58,068.87/x
  3. Step 3: Cross multiply
    105,813.83x = 146,027.28 × 58,068.87
  4. Step 4: Simplify right side
    105,813.83x = 8,479,639,138.77
  5. Step 5: Solve for x
    x = 8,479,639,138.77/105,813.83
  6. Step 6: Final answer
    x = 80,137.35

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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.