Home / 91,208.48-125,831.51-60,945.86

Finding the Fourth Proportional to 91,208.48, 125,831.51 and 60,945.86

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Solution

The fourth proportional to 91,208.48, 125,831.51 and 60,945.86 is: 84,081.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,208.48 : 125,831.51 = 60,945.86 : x
  2. Step 2: Convert to fraction form
    91,208.48/125,831.51 = 60,945.86/x
  3. Step 3: Cross multiply
    91,208.48x = 125,831.51 × 60,945.86
  4. Step 4: Simplify right side
    91,208.48x = 7,668,909,830.45
  5. Step 5: Solve for x
    x = 7,668,909,830.45/91,208.48
  6. Step 6: Final answer
    x = 84,081.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.