Home / 103,595.83-155,056.58-57,928.20

Finding the Fourth Proportional to 103,595.83, 155,056.58 and 57,928.20

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Solution

The fourth proportional to 103,595.83, 155,056.58 and 57,928.20 is: 86,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,595.83 : 155,056.58 = 57,928.20 : x
  2. Step 2: Convert to fraction form
    103,595.83/155,056.58 = 57,928.20/x
  3. Step 3: Cross multiply
    103,595.83x = 155,056.58 × 57,928.20
  4. Step 4: Simplify right side
    103,595.83x = 8,982,147,923.68
  5. Step 5: Solve for x
    x = 8,982,147,923.68/103,595.83
  6. Step 6: Final answer
    x = 86,703.76

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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.