Home / 85,941.07-128,779.74-35,993.84

Finding the Fourth Proportional to 85,941.07, 128,779.74 and 35,993.84

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Solution

The fourth proportional to 85,941.07, 128,779.74 and 35,993.84 is: 53,935.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,941.07 : 128,779.74 = 35,993.84 : x
  2. Step 2: Convert to fraction form
    85,941.07/128,779.74 = 35,993.84/x
  3. Step 3: Cross multiply
    85,941.07x = 128,779.74 × 35,993.84
  4. Step 4: Simplify right side
    85,941.07x = 4,635,276,712.90
  5. Step 5: Solve for x
    x = 4,635,276,712.90/85,941.07
  6. Step 6: Final answer
    x = 53,935.53

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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.