Home / 103,946.34-143,437.36-58,635.48

Finding the Fourth Proportional to 103,946.34, 143,437.36 and 58,635.48

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Solution

The fourth proportional to 103,946.34, 143,437.36 and 58,635.48 is: 80,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,946.34 : 143,437.36 = 58,635.48 : x
  2. Step 2: Convert to fraction form
    103,946.34/143,437.36 = 58,635.48/x
  3. Step 3: Cross multiply
    103,946.34x = 143,437.36 × 58,635.48
  4. Step 4: Simplify right side
    103,946.34x = 8,410,518,453.53
  5. Step 5: Solve for x
    x = 8,410,518,453.53/103,946.34
  6. Step 6: Final answer
    x = 80,912.12

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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.