Home / 74,688.58-112,032.84-43,501.96

Finding the Fourth Proportional to 74,688.58, 112,032.84 and 43,501.96

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Solution

The fourth proportional to 74,688.58, 112,032.84 and 43,501.96 is: 65,252.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,688.58 : 112,032.84 = 43,501.96 : x
  2. Step 2: Convert to fraction form
    74,688.58/112,032.84 = 43,501.96/x
  3. Step 3: Cross multiply
    74,688.58x = 112,032.84 × 43,501.96
  4. Step 4: Simplify right side
    74,688.58x = 4,873,648,124.37
  5. Step 5: Solve for x
    x = 4,873,648,124.37/74,688.58
  6. Step 6: Final answer
    x = 65,252.92

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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.