Home / 103,688.28-155,557.13-33,567.59

Finding the Fourth Proportional to 103,688.28, 155,557.13 and 33,567.59

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Solution

The fourth proportional to 103,688.28, 155,557.13 and 33,567.59 is: 50,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,688.28 : 155,557.13 = 33,567.59 : x
  2. Step 2: Convert to fraction form
    103,688.28/155,557.13 = 33,567.59/x
  3. Step 3: Cross multiply
    103,688.28x = 155,557.13 × 33,567.59
  4. Step 4: Simplify right side
    103,688.28x = 5,221,678,182.47
  5. Step 5: Solve for x
    x = 5,221,678,182.47/103,688.28
  6. Step 6: Final answer
    x = 50,359.39

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1.5x scale

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.