Home / 85,052.04-127,448.70-40,617.60

Finding the Fourth Proportional to 85,052.04, 127,448.70 and 40,617.60

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Solution

The fourth proportional to 85,052.04, 127,448.70 and 40,617.60 is: 60,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,052.04 : 127,448.70 = 40,617.60 : x
  2. Step 2: Convert to fraction form
    85,052.04/127,448.70 = 40,617.60/x
  3. Step 3: Cross multiply
    85,052.04x = 127,448.70 × 40,617.60
  4. Step 4: Simplify right side
    85,052.04x = 5,176,660,317.12
  5. Step 5: Solve for x
    x = 5,176,660,317.12/85,052.04
  6. Step 6: Final answer
    x = 60,864.62

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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.