Home / 111,831.45-154,328.63-60,844.47

Finding the Fourth Proportional to 111,831.45, 154,328.63 and 60,844.47

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Solution

The fourth proportional to 111,831.45, 154,328.63 and 60,844.47 is: 83,966.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,831.45 : 154,328.63 = 60,844.47 : x
  2. Step 2: Convert to fraction form
    111,831.45/154,328.63 = 60,844.47/x
  3. Step 3: Cross multiply
    111,831.45x = 154,328.63 × 60,844.47
  4. Step 4: Simplify right side
    111,831.45x = 9,390,043,698.18
  5. Step 5: Solve for x
    x = 9,390,043,698.18/111,831.45
  6. Step 6: Final answer
    x = 83,966.04

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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.