Home / 100,816.04-151,317.47-50,931.28

Finding the Fourth Proportional to 100,816.04, 151,317.47 and 50,931.28

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Solution

The fourth proportional to 100,816.04, 151,317.47 and 50,931.28 is: 76,444.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,816.04 : 151,317.47 = 50,931.28 : x
  2. Step 2: Convert to fraction form
    100,816.04/151,317.47 = 50,931.28/x
  3. Step 3: Cross multiply
    100,816.04x = 151,317.47 × 50,931.28
  4. Step 4: Simplify right side
    100,816.04x = 7,706,792,463.45
  5. Step 5: Solve for x
    x = 7,706,792,463.45/100,816.04
  6. Step 6: Final answer
    x = 76,444.11

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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.