Home / 102,927.24-142,352.64-92,313

Finding the Fourth Proportional to 102,927.24, 142,352.64 and 92,313

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Solution

The fourth proportional to 102,927.24, 142,352.64 and 92,313 is: 127,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,927.24 : 142,352.64 = 92,313 : x
  2. Step 2: Convert to fraction form
    102,927.24/142,352.64 = 92,313/x
  3. Step 3: Cross multiply
    102,927.24x = 142,352.64 × 92,313
  4. Step 4: Simplify right side
    102,927.24x = 13,140,999,256.32
  5. Step 5: Solve for x
    x = 13,140,999,256.32/102,927.24
  6. Step 6: Final answer
    x = 127,672.71

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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.