Home / 117,031.26-161,503.07-63,316.29

Finding the Fourth Proportional to 117,031.26, 161,503.07 and 63,316.29

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Solution

The fourth proportional to 117,031.26, 161,503.07 and 63,316.29 is: 87,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,031.26 : 161,503.07 = 63,316.29 : x
  2. Step 2: Convert to fraction form
    117,031.26/161,503.07 = 63,316.29/x
  3. Step 3: Cross multiply
    117,031.26x = 161,503.07 × 63,316.29
  4. Step 4: Simplify right side
    117,031.26x = 10,225,774,899.43
  5. Step 5: Solve for x
    x = 10,225,774,899.43/117,031.26
  6. Step 6: Final answer
    x = 87,376.44

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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.