Home / 117,528.40-162,189.30-63,813.39

Finding the Fourth Proportional to 117,528.40, 162,189.30 and 63,813.39

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Solution

The fourth proportional to 117,528.40, 162,189.30 and 63,813.39 is: 88,062.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,528.40 : 162,189.30 = 63,813.39 : x
  2. Step 2: Convert to fraction form
    117,528.40/162,189.30 = 63,813.39/x
  3. Step 3: Cross multiply
    117,528.40x = 162,189.30 × 63,813.39
  4. Step 4: Simplify right side
    117,528.40x = 10,349,849,054.73
  5. Step 5: Solve for x
    x = 10,349,849,054.73/117,528.40
  6. Step 6: Final answer
    x = 88,062.54

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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.