Home / 55,386.52-83,379.04-50,565.40

Finding the Fourth Proportional to 55,386.52, 83,379.04 and 50,565.40

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Solution

The fourth proportional to 55,386.52, 83,379.04 and 50,565.40 is: 76,121.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,386.52 : 83,379.04 = 50,565.40 : x
  2. Step 2: Convert to fraction form
    55,386.52/83,379.04 = 50,565.40/x
  3. Step 3: Cross multiply
    55,386.52x = 83,379.04 × 50,565.40
  4. Step 4: Simplify right side
    55,386.52x = 4,216,094,509.22
  5. Step 5: Solve for x
    x = 4,216,094,509.22/55,386.52
  6. Step 6: Final answer
    x = 76,121.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.