Home / 85,568.03-128,239.95-41,106.32

Finding the Fourth Proportional to 85,568.03, 128,239.95 and 41,106.32

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Solution

The fourth proportional to 85,568.03, 128,239.95 and 41,106.32 is: 61,605.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,568.03 : 128,239.95 = 41,106.32 : x
  2. Step 2: Convert to fraction form
    85,568.03/128,239.95 = 41,106.32/x
  3. Step 3: Cross multiply
    85,568.03x = 128,239.95 × 41,106.32
  4. Step 4: Simplify right side
    85,568.03x = 5,271,471,780.28
  5. Step 5: Solve for x
    x = 5,271,471,780.28/85,568.03
  6. Step 6: Final answer
    x = 61,605.63

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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.