Home / 55,762.20-83,643.30-51,269.40

Finding the Fourth Proportional to 55,762.20, 83,643.30 and 51,269.40

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Solution

The fourth proportional to 55,762.20, 83,643.30 and 51,269.40 is: 76,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,762.20 : 83,643.30 = 51,269.40 : x
  2. Step 2: Convert to fraction form
    55,762.20/83,643.30 = 51,269.40/x
  3. Step 3: Cross multiply
    55,762.20x = 83,643.30 × 51,269.40
  4. Step 4: Simplify right side
    55,762.20x = 4,288,341,805.02
  5. Step 5: Solve for x
    x = 4,288,341,805.02/55,762.20
  6. Step 6: Final answer
    x = 76,904.10

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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.