Home / 104,484.21-144,225-62,042.45

Finding the Fourth Proportional to 104,484.21, 144,225 and 62,042.45

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Solution

The fourth proportional to 104,484.21, 144,225 and 62,042.45 is: 85,640.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,484.21 : 144,225 = 62,042.45 : x
  2. Step 2: Convert to fraction form
    104,484.21/144,225 = 62,042.45/x
  3. Step 3: Cross multiply
    104,484.21x = 144,225 × 62,042.45
  4. Step 4: Simplify right side
    104,484.21x = 8,948,071,630.13
  5. Step 5: Solve for x
    x = 8,948,071,630.13/104,484.21
  6. Step 6: Final answer
    x = 85,640.42

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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.