Home / 103,831.49-155,783.34-32,765.06

Finding the Fourth Proportional to 103,831.49, 155,783.34 and 32,765.06

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Solution

The fourth proportional to 103,831.49, 155,783.34 and 32,765.06 is: 49,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,831.49 : 155,783.34 = 32,765.06 : x
  2. Step 2: Convert to fraction form
    103,831.49/155,783.34 = 32,765.06/x
  3. Step 3: Cross multiply
    103,831.49x = 155,783.34 × 32,765.06
  4. Step 4: Simplify right side
    103,831.49x = 5,104,249,703.18
  5. Step 5: Solve for x
    x = 5,104,249,703.18/103,831.49
  6. Step 6: Final answer
    x = 49,158.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.