Home / 111,831.84-154,330.79-60,847.34

Finding the Fourth Proportional to 111,831.84, 154,330.79 and 60,847.34

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Solution

The fourth proportional to 111,831.84, 154,330.79 and 60,847.34 is: 83,970.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,831.84 : 154,330.79 = 60,847.34 : x
  2. Step 2: Convert to fraction form
    111,831.84/154,330.79 = 60,847.34/x
  3. Step 3: Cross multiply
    111,831.84x = 154,330.79 × 60,847.34
  4. Step 4: Simplify right side
    111,831.84x = 9,390,616,975.71
  5. Step 5: Solve for x
    x = 9,390,616,975.71/111,831.84
  6. Step 6: Final answer
    x = 83,970.87

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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.