Home / 81,795.06-112,877.06-45,985.14

Finding the Fourth Proportional to 81,795.06, 112,877.06 and 45,985.14

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Solution

The fourth proportional to 81,795.06, 112,877.06 and 45,985.14 is: 63,459.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,795.06 : 112,877.06 = 45,985.14 : x
  2. Step 2: Convert to fraction form
    81,795.06/112,877.06 = 45,985.14/x
  3. Step 3: Cross multiply
    81,795.06x = 112,877.06 × 45,985.14
  4. Step 4: Simplify right side
    81,795.06x = 5,190,667,176.96
  5. Step 5: Solve for x
    x = 5,190,667,176.96/81,795.06
  6. Step 6: Final answer
    x = 63,459.42

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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.