Home / 104,103.42-143,663.19-56,356.77

Finding the Fourth Proportional to 104,103.42, 143,663.19 and 56,356.77

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Solution

The fourth proportional to 104,103.42, 143,663.19 and 56,356.77 is: 77,772.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,103.42 : 143,663.19 = 56,356.77 : x
  2. Step 2: Convert to fraction form
    104,103.42/143,663.19 = 56,356.77/x
  3. Step 3: Cross multiply
    104,103.42x = 143,663.19 × 56,356.77
  4. Step 4: Simplify right side
    104,103.42x = 8,096,392,875.59
  5. Step 5: Solve for x
    x = 8,096,392,875.59/104,103.42
  6. Step 6: Final answer
    x = 77,772.59

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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.