Home / 104,650.04-144,418.86-56,903.70

Finding the Fourth Proportional to 104,650.04, 144,418.86 and 56,903.70

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Solution

The fourth proportional to 104,650.04, 144,418.86 and 56,903.70 is: 78,528.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,650.04 : 144,418.86 = 56,903.70 : x
  2. Step 2: Convert to fraction form
    104,650.04/144,418.86 = 56,903.70/x
  3. Step 3: Cross multiply
    104,650.04x = 144,418.86 × 56,903.70
  4. Step 4: Simplify right side
    104,650.04x = 8,217,967,483.78
  5. Step 5: Solve for x
    x = 8,217,967,483.78/104,650.04
  6. Step 6: Final answer
    x = 78,528.09

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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.