Home / 105,637.71-158,518.84-39,124.54

Finding the Fourth Proportional to 105,637.71, 158,518.84 and 39,124.54

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Solution

The fourth proportional to 105,637.71, 158,518.84 and 39,124.54 is: 58,709.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,637.71 : 158,518.84 = 39,124.54 : x
  2. Step 2: Convert to fraction form
    105,637.71/158,518.84 = 39,124.54/x
  3. Step 3: Cross multiply
    105,637.71x = 158,518.84 × 39,124.54
  4. Step 4: Simplify right side
    105,637.71x = 6,201,977,150.81
  5. Step 5: Solve for x
    x = 6,201,977,150.81/105,637.71
  6. Step 6: Final answer
    x = 58,709.88

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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.