Home / 117,702.16-162,427.07-63,988.53

Finding the Fourth Proportional to 117,702.16, 162,427.07 and 63,988.53

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Solution

The fourth proportional to 117,702.16, 162,427.07 and 63,988.53 is: 88,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,702.16 : 162,427.07 = 63,988.53 : x
  2. Step 2: Convert to fraction form
    117,702.16/162,427.07 = 63,988.53/x
  3. Step 3: Cross multiply
    117,702.16x = 162,427.07 × 63,988.53
  4. Step 4: Simplify right side
    117,702.16x = 10,393,469,441.51
  5. Step 5: Solve for x
    x = 10,393,469,441.51/117,702.16
  6. Step 6: Final answer
    x = 88,303.13

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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.