Home / 82,875.60-124,295.94-26,720.64

Finding the Fourth Proportional to 82,875.60, 124,295.94 and 26,720.64

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Solution

The fourth proportional to 82,875.60, 124,295.94 and 26,720.64 is: 40,075.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,875.60 : 124,295.94 = 26,720.64 : x
  2. Step 2: Convert to fraction form
    82,875.60/124,295.94 = 26,720.64/x
  3. Step 3: Cross multiply
    82,875.60x = 124,295.94 × 26,720.64
  4. Step 4: Simplify right side
    82,875.60x = 3,321,267,066.20
  5. Step 5: Solve for x
    x = 3,321,267,066.20/82,875.60
  6. Step 6: Final answer
    x = 40,075.33

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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.