Home / 117,655.42-162,365.75-63,941.34

Finding the Fourth Proportional to 117,655.42, 162,365.75 and 63,941.34

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Solution

The fourth proportional to 117,655.42, 162,365.75 and 63,941.34 is: 88,239.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,655.42 : 162,365.75 = 63,941.34 : x
  2. Step 2: Convert to fraction form
    117,655.42/162,365.75 = 63,941.34/x
  3. Step 3: Cross multiply
    117,655.42x = 162,365.75 × 63,941.34
  4. Step 4: Simplify right side
    117,655.42x = 10,381,883,625.11
  5. Step 5: Solve for x
    x = 10,381,883,625.11/117,655.42
  6. Step 6: Final answer
    x = 88,239.74

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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.