Home / 104,100.90-143,659.08-56,354.24

Finding the Fourth Proportional to 104,100.90, 143,659.08 and 56,354.24

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Solution

The fourth proportional to 104,100.90, 143,659.08 and 56,354.24 is: 77,768.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,100.90 : 143,659.08 = 56,354.24 : x
  2. Step 2: Convert to fraction form
    104,100.90/143,659.08 = 56,354.24/x
  3. Step 3: Cross multiply
    104,100.90x = 143,659.08 × 56,354.24
  4. Step 4: Simplify right side
    104,100.90x = 8,095,797,554.20
  5. Step 5: Solve for x
    x = 8,095,797,554.20/104,100.90
  6. Step 6: Final answer
    x = 77,768.76

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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.