Home / 74,742.56-112,094.32-35,289.76

Finding the Fourth Proportional to 74,742.56, 112,094.32 and 35,289.76

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Solution

The fourth proportional to 74,742.56, 112,094.32 and 35,289.76 is: 52,925.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,742.56 : 112,094.32 = 35,289.76 : x
  2. Step 2: Convert to fraction form
    74,742.56/112,094.32 = 35,289.76/x
  3. Step 3: Cross multiply
    74,742.56x = 112,094.32 × 35,289.76
  4. Step 4: Simplify right side
    74,742.56x = 3,955,781,650.16
  5. Step 5: Solve for x
    x = 3,955,781,650.16/74,742.56
  6. Step 6: Final answer
    x = 52,925.42

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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.