Home / 82,800.96-114,265.80-45,075.12

Finding the Fourth Proportional to 82,800.96, 114,265.80 and 45,075.12

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Solution

The fourth proportional to 82,800.96, 114,265.80 and 45,075.12 is: 62,203.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,800.96 : 114,265.80 = 45,075.12 : x
  2. Step 2: Convert to fraction form
    82,800.96/114,265.80 = 45,075.12/x
  3. Step 3: Cross multiply
    82,800.96x = 114,265.80 × 45,075.12
  4. Step 4: Simplify right side
    82,800.96x = 5,150,544,646.90
  5. Step 5: Solve for x
    x = 5,150,544,646.90/82,800.96
  6. Step 6: Final answer
    x = 62,203.92

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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.