Home / 117,948.06-162,749.88-67,637.34

Finding the Fourth Proportional to 117,948.06, 162,749.88 and 67,637.34

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Solution

The fourth proportional to 117,948.06, 162,749.88 and 67,637.34 is: 93,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,948.06 : 162,749.88 = 67,637.34 : x
  2. Step 2: Convert to fraction form
    117,948.06/162,749.88 = 67,637.34/x
  3. Step 3: Cross multiply
    117,948.06x = 162,749.88 × 67,637.34
  4. Step 4: Simplify right side
    117,948.06x = 11,007,968,968.52
  5. Step 5: Solve for x
    x = 11,007,968,968.52/117,948.06
  6. Step 6: Final answer
    x = 93,328.95

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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.