Home / 52,459.20-78,688.80-24,379.20

Finding the Fourth Proportional to 52,459.20, 78,688.80 and 24,379.20

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Solution

The fourth proportional to 52,459.20, 78,688.80 and 24,379.20 is: 36,568.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,459.20 : 78,688.80 = 24,379.20 : x
  2. Step 2: Convert to fraction form
    52,459.20/78,688.80 = 24,379.20/x
  3. Step 3: Cross multiply
    52,459.20x = 78,688.80 × 24,379.20
  4. Step 4: Simplify right side
    52,459.20x = 1,918,369,992.96
  5. Step 5: Solve for x
    x = 1,918,369,992.96/52,459.20
  6. Step 6: Final answer
    x = 36,568.80

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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.