Home / 55,330.57-76,328.83-34,903.38

Finding the Fourth Proportional to 55,330.57, 76,328.83 and 34,903.38

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Solution

The fourth proportional to 55,330.57, 76,328.83 and 34,903.38 is: 48,149.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,330.57 : 76,328.83 = 34,903.38 : x
  2. Step 2: Convert to fraction form
    55,330.57/76,328.83 = 34,903.38/x
  3. Step 3: Cross multiply
    55,330.57x = 76,328.83 × 34,903.38
  4. Step 4: Simplify right side
    55,330.57x = 2,664,134,158.45
  5. Step 5: Solve for x
    x = 2,664,134,158.45/55,330.57
  6. Step 6: Final answer
    x = 48,149.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.