Home / 55,474.68-83,140.50-48,330.03

Finding the Fourth Proportional to 55,474.68, 83,140.50 and 48,330.03

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Solution

The fourth proportional to 55,474.68, 83,140.50 and 48,330.03 is: 72,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,474.68 : 83,140.50 = 48,330.03 : x
  2. Step 2: Convert to fraction form
    55,474.68/83,140.50 = 48,330.03/x
  3. Step 3: Cross multiply
    55,474.68x = 83,140.50 × 48,330.03
  4. Step 4: Simplify right side
    55,474.68x = 4,018,182,859.22
  5. Step 5: Solve for x
    x = 4,018,182,859.22/55,474.68
  6. Step 6: Final answer
    x = 72,432.74

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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.