Home / 117,883.22-162,630.79-72,547.52

Finding the Fourth Proportional to 117,883.22, 162,630.79 and 72,547.52

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Solution

The fourth proportional to 117,883.22, 162,630.79 and 72,547.52 is: 100,086.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,883.22 : 162,630.79 = 72,547.52 : x
  2. Step 2: Convert to fraction form
    117,883.22/162,630.79 = 72,547.52/x
  3. Step 3: Cross multiply
    117,883.22x = 162,630.79 × 72,547.52
  4. Step 4: Simplify right side
    117,883.22x = 11,798,459,495.62
  5. Step 5: Solve for x
    x = 11,798,459,495.62/117,883.22
  6. Step 6: Final answer
    x = 100,086.00

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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.