Home / 75,056.16-112,473-30,629.28

Finding the Fourth Proportional to 75,056.16, 112,473 and 30,629.28

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Solution

The fourth proportional to 75,056.16, 112,473 and 30,629.28 is: 45,898.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,056.16 : 112,473 = 30,629.28 : x
  2. Step 2: Convert to fraction form
    75,056.16/112,473 = 30,629.28/x
  3. Step 3: Cross multiply
    75,056.16x = 112,473 × 30,629.28
  4. Step 4: Simplify right side
    75,056.16x = 3,444,967,009.44
  5. Step 5: Solve for x
    x = 3,444,967,009.44/75,056.16
  6. Step 6: Final answer
    x = 45,898.52

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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.