Home / 92,071.16-138,126.96-54,665.36

Finding the Fourth Proportional to 92,071.16, 138,126.96 and 54,665.36

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Solution

The fourth proportional to 92,071.16, 138,126.96 and 54,665.36 is: 82,010.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,071.16 : 138,126.96 = 54,665.36 : x
  2. Step 2: Convert to fraction form
    92,071.16/138,126.96 = 54,665.36/x
  3. Step 3: Cross multiply
    92,071.16x = 138,126.96 × 54,665.36
  4. Step 4: Simplify right side
    92,071.16x = 7,550,759,994.11
  5. Step 5: Solve for x
    x = 7,550,759,994.11/92,071.16
  6. Step 6: Final answer
    x = 82,010.05

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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.