Home / 62,548.74-93,823.90-20,428.47

Finding the Fourth Proportional to 62,548.74, 93,823.90 and 20,428.47

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Solution

The fourth proportional to 62,548.74, 93,823.90 and 20,428.47 is: 30,642.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,548.74 : 93,823.90 = 20,428.47 : x
  2. Step 2: Convert to fraction form
    62,548.74/93,823.90 = 20,428.47/x
  3. Step 3: Cross multiply
    62,548.74x = 93,823.90 × 20,428.47
  4. Step 4: Simplify right side
    62,548.74x = 1,916,678,675.36
  5. Step 5: Solve for x
    x = 1,916,678,675.36/62,548.74
  6. Step 6: Final answer
    x = 30,642.96

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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.