Home / 115,816.86-173,681.55-49,288.32

Finding the Fourth Proportional to 115,816.86, 173,681.55 and 49,288.32

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Solution

The fourth proportional to 115,816.86, 173,681.55 and 49,288.32 is: 73,913.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,816.86 : 173,681.55 = 49,288.32 : x
  2. Step 2: Convert to fraction form
    115,816.86/173,681.55 = 49,288.32/x
  3. Step 3: Cross multiply
    115,816.86x = 173,681.55 × 49,288.32
  4. Step 4: Simplify right side
    115,816.86x = 8,560,471,814.50
  5. Step 5: Solve for x
    x = 8,560,471,814.50/115,816.86
  6. Step 6: Final answer
    x = 73,913.87

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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.