Home / 59,621.28-89,432.16-18,068.64

Finding the Fourth Proportional to 59,621.28, 89,432.16 and 18,068.64

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Solution

The fourth proportional to 59,621.28, 89,432.16 and 18,068.64 is: 27,103.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,621.28 : 89,432.16 = 18,068.64 : x
  2. Step 2: Convert to fraction form
    59,621.28/89,432.16 = 18,068.64/x
  3. Step 3: Cross multiply
    59,621.28x = 89,432.16 × 18,068.64
  4. Step 4: Simplify right side
    59,621.28x = 1,615,917,503.46
  5. Step 5: Solve for x
    x = 1,615,917,503.46/59,621.28
  6. Step 6: Final answer
    x = 27,103.03

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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.