Home / 104,659.45-144,431.06-56,913.83

Finding the Fourth Proportional to 104,659.45, 144,431.06 and 56,913.83

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Solution

The fourth proportional to 104,659.45, 144,431.06 and 56,913.83 is: 78,541.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,659.45 : 144,431.06 = 56,913.83 : x
  2. Step 2: Convert to fraction form
    104,659.45/144,431.06 = 56,913.83/x
  3. Step 3: Cross multiply
    104,659.45x = 144,431.06 × 56,913.83
  4. Step 4: Simplify right side
    104,659.45x = 8,220,124,795.56
  5. Step 5: Solve for x
    x = 8,220,124,795.56/104,659.45
  6. Step 6: Final answer
    x = 78,541.64

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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.