Home / 92,795.01-128,057.39-56,984.64

Finding the Fourth Proportional to 92,795.01, 128,057.39 and 56,984.64

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Solution

The fourth proportional to 92,795.01, 128,057.39 and 56,984.64 is: 78,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,795.01 : 128,057.39 = 56,984.64 : x
  2. Step 2: Convert to fraction form
    92,795.01/128,057.39 = 56,984.64/x
  3. Step 3: Cross multiply
    92,795.01x = 128,057.39 × 56,984.64
  4. Step 4: Simplify right side
    92,795.01x = 7,297,304,268.49
  5. Step 5: Solve for x
    x = 7,297,304,268.49/92,795.01
  6. Step 6: Final answer
    x = 78,638.97

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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.