Home / 117,700.36-162,427.26-63,985.84

Finding the Fourth Proportional to 117,700.36, 162,427.26 and 63,985.84

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Solution

The fourth proportional to 117,700.36, 162,427.26 and 63,985.84 is: 88,300.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,700.36 : 162,427.26 = 63,985.84 : x
  2. Step 2: Convert to fraction form
    117,700.36/162,427.26 = 63,985.84/x
  3. Step 3: Cross multiply
    117,700.36x = 162,427.26 × 63,985.84
  4. Step 4: Simplify right side
    117,700.36x = 10,393,044,670.00
  5. Step 5: Solve for x
    x = 10,393,044,670.00/117,700.36
  6. Step 6: Final answer
    x = 88,300.87

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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.