Home / 80,831.22-111,547.12-46,859.41

Finding the Fourth Proportional to 80,831.22, 111,547.12 and 46,859.41

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Solution

The fourth proportional to 80,831.22, 111,547.12 and 46,859.41 is: 64,666.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,831.22 : 111,547.12 = 46,859.41 : x
  2. Step 2: Convert to fraction form
    80,831.22/111,547.12 = 46,859.41/x
  3. Step 3: Cross multiply
    80,831.22x = 111,547.12 × 46,859.41
  4. Step 4: Simplify right side
    80,831.22x = 5,227,031,672.66
  5. Step 5: Solve for x
    x = 5,227,031,672.66/80,831.22
  6. Step 6: Final answer
    x = 64,666.00

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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.