Home / 85,494.07-128,048.46-41,154.13

Finding the Fourth Proportional to 85,494.07, 128,048.46 and 41,154.13

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Solution

The fourth proportional to 85,494.07, 128,048.46 and 41,154.13 is: 61,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,494.07 : 128,048.46 = 41,154.13 : x
  2. Step 2: Convert to fraction form
    85,494.07/128,048.46 = 41,154.13/x
  3. Step 3: Cross multiply
    85,494.07x = 128,048.46 × 41,154.13
  4. Step 4: Simplify right side
    85,494.07x = 5,269,722,969.14
  5. Step 5: Solve for x
    x = 5,269,722,969.14/85,494.07
  6. Step 6: Final answer
    x = 61,638.46

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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.