Home / 85,568.57-128,325.56-29,395.14

Finding the Fourth Proportional to 85,568.57, 128,325.56 and 29,395.14

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Solution

The fourth proportional to 85,568.57, 128,325.56 and 29,395.14 is: 44,083.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,568.57 : 128,325.56 = 29,395.14 : x
  2. Step 2: Convert to fraction form
    85,568.57/128,325.56 = 29,395.14/x
  3. Step 3: Cross multiply
    85,568.57x = 128,325.56 × 29,395.14
  4. Step 4: Simplify right side
    85,568.57x = 3,772,147,283.81
  5. Step 5: Solve for x
    x = 3,772,147,283.81/85,568.57
  6. Step 6: Final answer
    x = 44,083.33

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1.5x scale

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.