Home / 104,376.90-144,040.14-56,630.26

Finding the Fourth Proportional to 104,376.90, 144,040.14 and 56,630.26

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Solution

The fourth proportional to 104,376.90, 144,040.14 and 56,630.26 is: 78,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,376.90 : 144,040.14 = 56,630.26 : x
  2. Step 2: Convert to fraction form
    104,376.90/144,040.14 = 56,630.26/x
  3. Step 3: Cross multiply
    104,376.90x = 144,040.14 × 56,630.26
  4. Step 4: Simplify right side
    104,376.90x = 8,157,030,578.64
  5. Step 5: Solve for x
    x = 8,157,030,578.64/104,376.90
  6. Step 6: Final answer
    x = 78,149.77

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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.