Home / 93,715.88-129,331.02-51,274.43

Finding the Fourth Proportional to 93,715.88, 129,331.02 and 51,274.43

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Solution

The fourth proportional to 93,715.88, 129,331.02 and 51,274.43 is: 70,760.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,715.88 : 129,331.02 = 51,274.43 : x
  2. Step 2: Convert to fraction form
    93,715.88/129,331.02 = 51,274.43/x
  3. Step 3: Cross multiply
    93,715.88x = 129,331.02 × 51,274.43
  4. Step 4: Simplify right side
    93,715.88x = 6,631,374,331.82
  5. Step 5: Solve for x
    x = 6,631,374,331.82/93,715.88
  6. Step 6: Final answer
    x = 70,760.41

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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.