Home / 104,431.23-144,111.22-56,683.56

Finding the Fourth Proportional to 104,431.23, 144,111.22 and 56,683.56

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Solution

The fourth proportional to 104,431.23, 144,111.22 and 56,683.56 is: 78,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,431.23 : 144,111.22 = 56,683.56 : x
  2. Step 2: Convert to fraction form
    104,431.23/144,111.22 = 56,683.56/x
  3. Step 3: Cross multiply
    104,431.23x = 144,111.22 × 56,683.56
  4. Step 4: Simplify right side
    104,431.23x = 8,168,736,985.54
  5. Step 5: Solve for x
    x = 8,168,736,985.54/104,431.23
  6. Step 6: Final answer
    x = 78,221.21

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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.