Home / 93,619.17-129,194.52-51,177.72

Finding the Fourth Proportional to 93,619.17, 129,194.52 and 51,177.72

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Solution

The fourth proportional to 93,619.17, 129,194.52 and 51,177.72 is: 70,625.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,619.17 : 129,194.52 = 51,177.72 : x
  2. Step 2: Convert to fraction form
    93,619.17/129,194.52 = 51,177.72/x
  3. Step 3: Cross multiply
    93,619.17x = 129,194.52 × 51,177.72
  4. Step 4: Simplify right side
    93,619.17x = 6,611,880,970.09
  5. Step 5: Solve for x
    x = 6,611,880,970.09/93,619.17
  6. Step 6: Final answer
    x = 70,625.29

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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.