Home / 42,872.75-59,165.22-25,662.84

Finding the Fourth Proportional to 42,872.75, 59,165.22 and 25,662.84

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Solution

The fourth proportional to 42,872.75, 59,165.22 and 25,662.84 is: 35,415.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,872.75 : 59,165.22 = 25,662.84 : x
  2. Step 2: Convert to fraction form
    42,872.75/59,165.22 = 25,662.84/x
  3. Step 3: Cross multiply
    42,872.75x = 59,165.22 × 25,662.84
  4. Step 4: Simplify right side
    42,872.75x = 1,518,347,574.42
  5. Step 5: Solve for x
    x = 1,518,347,574.42/42,872.75
  6. Step 6: Final answer
    x = 35,415.22

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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.