Home / 104,435.90-144,122.26-56,689.24

Finding the Fourth Proportional to 104,435.90, 144,122.26 and 56,689.24

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Solution

The fourth proportional to 104,435.90, 144,122.26 and 56,689.24 is: 78,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,435.90 : 144,122.26 = 56,689.24 : x
  2. Step 2: Convert to fraction form
    104,435.90/144,122.26 = 56,689.24/x
  3. Step 3: Cross multiply
    104,435.90x = 144,122.26 × 56,689.24
  4. Step 4: Simplify right side
    104,435.90x = 8,170,181,386.48
  5. Step 5: Solve for x
    x = 8,170,181,386.48/104,435.90
  6. Step 6: Final answer
    x = 78,231.54

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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.