Home / 104,618.37-144,374.90-56,871.75

Finding the Fourth Proportional to 104,618.37, 144,374.90 and 56,871.75

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Solution

The fourth proportional to 104,618.37, 144,374.90 and 56,871.75 is: 78,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,618.37 : 144,374.90 = 56,871.75 : x
  2. Step 2: Convert to fraction form
    104,618.37/144,374.90 = 56,871.75/x
  3. Step 3: Cross multiply
    104,618.37x = 144,374.90 × 56,871.75
  4. Step 4: Simplify right side
    104,618.37x = 8,210,852,934.72
  5. Step 5: Solve for x
    x = 8,210,852,934.72/104,618.37
  6. Step 6: Final answer
    x = 78,483.85

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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.