Home / 100,953.44-139,313.96-58,515.92

Finding the Fourth Proportional to 100,953.44, 139,313.96 and 58,515.92

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Solution

The fourth proportional to 100,953.44, 139,313.96 and 58,515.92 is: 80,750.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,953.44 : 139,313.96 = 58,515.92 : x
  2. Step 2: Convert to fraction form
    100,953.44/139,313.96 = 58,515.92/x
  3. Step 3: Cross multiply
    100,953.44x = 139,313.96 × 58,515.92
  4. Step 4: Simplify right side
    100,953.44x = 8,152,084,538.24
  5. Step 5: Solve for x
    x = 8,152,084,538.24/100,953.44
  6. Step 6: Final answer
    x = 80,750.93

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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.