Home / 92,883.22-128,181.36-54,645.28

Finding the Fourth Proportional to 92,883.22, 128,181.36 and 54,645.28

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Solution

The fourth proportional to 92,883.22, 128,181.36 and 54,645.28 is: 75,411.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,883.22 : 128,181.36 = 54,645.28 : x
  2. Step 2: Convert to fraction form
    92,883.22/128,181.36 = 54,645.28/x
  3. Step 3: Cross multiply
    92,883.22x = 128,181.36 × 54,645.28
  4. Step 4: Simplify right side
    92,883.22x = 7,004,506,307.98
  5. Step 5: Solve for x
    x = 7,004,506,307.98/92,883.22
  6. Step 6: Final answer
    x = 75,411.97

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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.