Home / 74,696.16-112,043.93-30,322.54

Finding the Fourth Proportional to 74,696.16, 112,043.93 and 30,322.54

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Solution

The fourth proportional to 74,696.16, 112,043.93 and 30,322.54 is: 45,483.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,696.16 : 112,043.93 = 30,322.54 : x
  2. Step 2: Convert to fraction form
    74,696.16/112,043.93 = 30,322.54/x
  3. Step 3: Cross multiply
    74,696.16x = 112,043.93 × 30,322.54
  4. Step 4: Simplify right side
    74,696.16x = 3,397,455,988.96
  5. Step 5: Solve for x
    x = 3,397,455,988.96/74,696.16
  6. Step 6: Final answer
    x = 45,483.68

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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.