Home / 117,063.72-161,547.94-63,348.74

Finding the Fourth Proportional to 117,063.72, 161,547.94 and 63,348.74

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Solution

The fourth proportional to 117,063.72, 161,547.94 and 63,348.74 is: 87,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,063.72 : 161,547.94 = 63,348.74 : x
  2. Step 2: Convert to fraction form
    117,063.72/161,547.94 = 63,348.74/x
  3. Step 3: Cross multiply
    117,063.72x = 161,547.94 × 63,348.74
  4. Step 4: Simplify right side
    117,063.72x = 10,233,858,000.62
  5. Step 5: Solve for x
    x = 10,233,858,000.62/117,063.72
  6. Step 6: Final answer
    x = 87,421.26

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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.