Home / 62,539.56-93,810.42-20,420.10

Finding the Fourth Proportional to 62,539.56, 93,810.42 and 20,420.10

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Solution

The fourth proportional to 62,539.56, 93,810.42 and 20,420.10 is: 30,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,539.56 : 93,810.42 = 20,420.10 : x
  2. Step 2: Convert to fraction form
    62,539.56/93,810.42 = 20,420.10/x
  3. Step 3: Cross multiply
    62,539.56x = 93,810.42 × 20,420.10
  4. Step 4: Simplify right side
    62,539.56x = 1,915,618,157.44
  5. Step 5: Solve for x
    x = 1,915,618,157.44/62,539.56
  6. Step 6: Final answer
    x = 30,630.50

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1.5x scale

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.