Home / 74,837.16-112,252.50-18,677.52

Finding the Fourth Proportional to 74,837.16, 112,252.50 and 18,677.52

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Solution

The fourth proportional to 74,837.16, 112,252.50 and 18,677.52 is: 28,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,837.16 : 112,252.50 = 18,677.52 : x
  2. Step 2: Convert to fraction form
    74,837.16/112,252.50 = 18,677.52/x
  3. Step 3: Cross multiply
    74,837.16x = 112,252.50 × 18,677.52
  4. Step 4: Simplify right side
    74,837.16x = 2,096,598,313.80
  5. Step 5: Solve for x
    x = 2,096,598,313.80/74,837.16
  6. Step 6: Final answer
    x = 28,015.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.