Home / 117,646.55-162,352.11-63,931.45

Finding the Fourth Proportional to 117,646.55, 162,352.11 and 63,931.45

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Solution

The fourth proportional to 117,646.55, 162,352.11 and 63,931.45 is: 88,225.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,646.55 : 162,352.11 = 63,931.45 : x
  2. Step 2: Convert to fraction form
    117,646.55/162,352.11 = 63,931.45/x
  3. Step 3: Cross multiply
    117,646.55x = 162,352.11 × 63,931.45
  4. Step 4: Simplify right side
    117,646.55x = 10,379,405,962.69
  5. Step 5: Solve for x
    x = 10,379,405,962.69/117,646.55
  6. Step 6: Final answer
    x = 88,225.33

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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.