Home / 85,518.15-128,111.12-41,176.01

Finding the Fourth Proportional to 85,518.15, 128,111.12 and 41,176.01

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Solution

The fourth proportional to 85,518.15, 128,111.12 and 41,176.01 is: 61,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,518.15 : 128,111.12 = 41,176.01 : x
  2. Step 2: Convert to fraction form
    85,518.15/128,111.12 = 41,176.01/x
  3. Step 3: Cross multiply
    85,518.15x = 128,111.12 × 41,176.01
  4. Step 4: Simplify right side
    85,518.15x = 5,275,104,552.35
  5. Step 5: Solve for x
    x = 5,275,104,552.35/85,518.15
  6. Step 6: Final answer
    x = 61,684.04

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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.