Home / 77,831.55-107,403.17-46,003.41

Finding the Fourth Proportional to 77,831.55, 107,403.17 and 46,003.41

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Solution

The fourth proportional to 77,831.55, 107,403.17 and 46,003.41 is: 63,482.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,831.55 : 107,403.17 = 46,003.41 : x
  2. Step 2: Convert to fraction form
    77,831.55/107,403.17 = 46,003.41/x
  3. Step 3: Cross multiply
    77,831.55x = 107,403.17 × 46,003.41
  4. Step 4: Simplify right side
    77,831.55x = 4,940,911,834.79
  5. Step 5: Solve for x
    x = 4,940,911,834.79/77,831.55
  6. Step 6: Final answer
    x = 63,482.12

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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.