Home / 104,607.96-156,895.40-45,427.74

Finding the Fourth Proportional to 104,607.96, 156,895.40 and 45,427.74

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Solution

The fourth proportional to 104,607.96, 156,895.40 and 45,427.74 is: 68,134.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,607.96 : 156,895.40 = 45,427.74 : x
  2. Step 2: Convert to fraction form
    104,607.96/156,895.40 = 45,427.74/x
  3. Step 3: Cross multiply
    104,607.96x = 156,895.40 × 45,427.74
  4. Step 4: Simplify right side
    104,607.96x = 7,127,403,438.40
  5. Step 5: Solve for x
    x = 7,127,403,438.40/104,607.96
  6. Step 6: Final answer
    x = 68,134.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.