Home / 117,316.13-161,897.40-63,601.02

Finding the Fourth Proportional to 117,316.13, 161,897.40 and 63,601.02

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Solution

The fourth proportional to 117,316.13, 161,897.40 and 63,601.02 is: 87,770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,316.13 : 161,897.40 = 63,601.02 : x
  2. Step 2: Convert to fraction form
    117,316.13/161,897.40 = 63,601.02/x
  3. Step 3: Cross multiply
    117,316.13x = 161,897.40 × 63,601.02
  4. Step 4: Simplify right side
    117,316.13x = 10,296,839,775.35
  5. Step 5: Solve for x
    x = 10,296,839,775.35/117,316.13
  6. Step 6: Final answer
    x = 87,770.03

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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.