Home / 104,721.84-144,512.80-56,973.96

Finding the Fourth Proportional to 104,721.84, 144,512.80 and 56,973.96

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Solution

The fourth proportional to 104,721.84, 144,512.80 and 56,973.96 is: 78,622.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,721.84 : 144,512.80 = 56,973.96 : x
  2. Step 2: Convert to fraction form
    104,721.84/144,512.80 = 56,973.96/x
  3. Step 3: Cross multiply
    104,721.84x = 144,512.80 × 56,973.96
  4. Step 4: Simplify right side
    104,721.84x = 8,233,466,486.69
  5. Step 5: Solve for x
    x = 8,233,466,486.69/104,721.84
  6. Step 6: Final answer
    x = 78,622.25

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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.