Home / 62,628.42-93,939.28-20,503.16

Finding the Fourth Proportional to 62,628.42, 93,939.28 and 20,503.16

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Solution

The fourth proportional to 62,628.42, 93,939.28 and 20,503.16 is: 30,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,628.42 : 93,939.28 = 20,503.16 : x
  2. Step 2: Convert to fraction form
    62,628.42/93,939.28 = 20,503.16/x
  3. Step 3: Cross multiply
    62,628.42x = 93,939.28 × 20,503.16
  4. Step 4: Simplify right side
    62,628.42x = 1,926,052,088.12
  5. Step 5: Solve for x
    x = 1,926,052,088.12/62,628.42
  6. Step 6: Final answer
    x = 30,753.64

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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.