Home / 115,831.08-173,628.90-45,613.80

Finding the Fourth Proportional to 115,831.08, 173,628.90 and 45,613.80

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Solution

The fourth proportional to 115,831.08, 173,628.90 and 45,613.80 is: 68,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,831.08 : 173,628.90 = 45,613.80 : x
  2. Step 2: Convert to fraction form
    115,831.08/173,628.90 = 45,613.80/x
  3. Step 3: Cross multiply
    115,831.08x = 173,628.90 × 45,613.80
  4. Step 4: Simplify right side
    115,831.08x = 7,919,873,918.82
  5. Step 5: Solve for x
    x = 7,919,873,918.82/115,831.08
  6. Step 6: Final answer
    x = 68,374.34

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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.