Home / 72,831.09-100,508.81-41,001.15

Finding the Fourth Proportional to 72,831.09, 100,508.81 and 41,001.15

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Solution

The fourth proportional to 72,831.09, 100,508.81 and 41,001.15 is: 56,582.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,831.09 : 100,508.81 = 41,001.15 : x
  2. Step 2: Convert to fraction form
    72,831.09/100,508.81 = 41,001.15/x
  3. Step 3: Cross multiply
    72,831.09x = 100,508.81 × 41,001.15
  4. Step 4: Simplify right side
    72,831.09x = 4,120,976,795.13
  5. Step 5: Solve for x
    x = 4,120,976,795.13/72,831.09
  6. Step 6: Final answer
    x = 56,582.66

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1.5x scale

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.