Home / 100,831.48-151,247.27-41,602.05

Finding the Fourth Proportional to 100,831.48, 151,247.27 and 41,602.05

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Solution

The fourth proportional to 100,831.48, 151,247.27 and 41,602.05 is: 62,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,831.48 : 151,247.27 = 41,602.05 : x
  2. Step 2: Convert to fraction form
    100,831.48/151,247.27 = 41,602.05/x
  3. Step 3: Cross multiply
    100,831.48x = 151,247.27 × 41,602.05
  4. Step 4: Simplify right side
    100,831.48x = 6,292,196,280.89
  5. Step 5: Solve for x
    x = 6,292,196,280.89/100,831.48
  6. Step 6: Final answer
    x = 62,403.10

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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.