Home / 96,762.45-133,508.81-56,453.21

Finding the Fourth Proportional to 96,762.45, 133,508.81 and 56,453.21

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Solution

The fourth proportional to 96,762.45, 133,508.81 and 56,453.21 is: 77,891.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,762.45 : 133,508.81 = 56,453.21 : x
  2. Step 2: Convert to fraction form
    96,762.45/133,508.81 = 56,453.21/x
  3. Step 3: Cross multiply
    96,762.45x = 133,508.81 × 56,453.21
  4. Step 4: Simplify right side
    96,762.45x = 7,537,000,361.37
  5. Step 5: Solve for x
    x = 7,537,000,361.37/96,762.45
  6. Step 6: Final answer
    x = 77,891.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.