Home / 103,624.21-155,332.50-43,667.16

Finding the Fourth Proportional to 103,624.21, 155,332.50 and 43,667.16

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Solution

The fourth proportional to 103,624.21, 155,332.50 and 43,667.16 is: 65,456.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,624.21 : 155,332.50 = 43,667.16 : x
  2. Step 2: Convert to fraction form
    103,624.21/155,332.50 = 43,667.16/x
  3. Step 3: Cross multiply
    103,624.21x = 155,332.50 × 43,667.16
  4. Step 4: Simplify right side
    103,624.21x = 6,782,929,130.70
  5. Step 5: Solve for x
    x = 6,782,929,130.70/103,624.21
  6. Step 6: Final answer
    x = 65,456.99

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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.