Home / 104,647.02-144,410.85-56,899.95

Finding the Fourth Proportional to 104,647.02, 144,410.85 and 56,899.95

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Solution

The fourth proportional to 104,647.02, 144,410.85 and 56,899.95 is: 78,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,647.02 : 144,410.85 = 56,899.95 : x
  2. Step 2: Convert to fraction form
    104,647.02/144,410.85 = 56,899.95/x
  3. Step 3: Cross multiply
    104,647.02x = 144,410.85 × 56,899.95
  4. Step 4: Simplify right side
    104,647.02x = 8,216,970,144.46
  5. Step 5: Solve for x
    x = 8,216,970,144.46/104,647.02
  6. Step 6: Final answer
    x = 78,520.82

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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.