Home / 55,346.20-83,019.30-51,628.30

Finding the Fourth Proportional to 55,346.20, 83,019.30 and 51,628.30

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Solution

The fourth proportional to 55,346.20, 83,019.30 and 51,628.30 is: 77,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,346.20 : 83,019.30 = 51,628.30 : x
  2. Step 2: Convert to fraction form
    55,346.20/83,019.30 = 51,628.30/x
  3. Step 3: Cross multiply
    55,346.20x = 83,019.30 × 51,628.30
  4. Step 4: Simplify right side
    55,346.20x = 4,286,145,326.19
  5. Step 5: Solve for x
    x = 4,286,145,326.19/55,346.20
  6. Step 6: Final answer
    x = 77,442.45

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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.