Home / 98,493.12-135,926.36-56,051.96

Finding the Fourth Proportional to 98,493.12, 135,926.36 and 56,051.96

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Solution

The fourth proportional to 98,493.12, 135,926.36 and 56,051.96 is: 77,355.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,493.12 : 135,926.36 = 56,051.96 : x
  2. Step 2: Convert to fraction form
    98,493.12/135,926.36 = 56,051.96/x
  3. Step 3: Cross multiply
    98,493.12x = 135,926.36 × 56,051.96
  4. Step 4: Simplify right side
    98,493.12x = 7,618,938,893.67
  5. Step 5: Solve for x
    x = 7,618,938,893.67/98,493.12
  6. Step 6: Final answer
    x = 77,355.04

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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.