Home / 42,866.04-64,247.22-22,078.20

Finding the Fourth Proportional to 42,866.04, 64,247.22 and 22,078.20

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Solution

The fourth proportional to 42,866.04, 64,247.22 and 22,078.20 is: 33,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,866.04 : 64,247.22 = 22,078.20 : x
  2. Step 2: Convert to fraction form
    42,866.04/64,247.22 = 22,078.20/x
  3. Step 3: Cross multiply
    42,866.04x = 64,247.22 × 22,078.20
  4. Step 4: Simplify right side
    42,866.04x = 1,418,462,972.60
  5. Step 5: Solve for x
    x = 1,418,462,972.60/42,866.04
  6. Step 6: Final answer
    x = 33,090.60

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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.