Home / 45,982.77-69,061.64-28,574.25

Finding the Fourth Proportional to 45,982.77, 69,061.64 and 28,574.25

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Solution

The fourth proportional to 45,982.77, 69,061.64 and 28,574.25 is: 42,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,982.77 : 69,061.64 = 28,574.25 : x
  2. Step 2: Convert to fraction form
    45,982.77/69,061.64 = 28,574.25/x
  3. Step 3: Cross multiply
    45,982.77x = 69,061.64 × 28,574.25
  4. Step 4: Simplify right side
    45,982.77x = 1,973,384,423.90
  5. Step 5: Solve for x
    x = 1,973,384,423.90/45,982.77
  6. Step 6: Final answer
    x = 42,915.74

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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.