Home / 103,699.05-155,447.46-56,271.26

Finding the Fourth Proportional to 103,699.05, 155,447.46 and 56,271.26

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Solution

The fourth proportional to 103,699.05, 155,447.46 and 56,271.26 is: 84,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,699.05 : 155,447.46 = 56,271.26 : x
  2. Step 2: Convert to fraction form
    103,699.05/155,447.46 = 56,271.26/x
  3. Step 3: Cross multiply
    103,699.05x = 155,447.46 × 56,271.26
  4. Step 4: Simplify right side
    103,699.05x = 8,747,223,660.76
  5. Step 5: Solve for x
    x = 8,747,223,660.76/103,699.05
  6. Step 6: Final answer
    x = 84,352.01

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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.