Home / 85,536.58-128,268.16-29,382.34

Finding the Fourth Proportional to 85,536.58, 128,268.16 and 29,382.34

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Solution

The fourth proportional to 85,536.58, 128,268.16 and 29,382.34 is: 44,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536.58 : 128,268.16 = 29,382.34 : x
  2. Step 2: Convert to fraction form
    85,536.58/128,268.16 = 29,382.34/x
  3. Step 3: Cross multiply
    85,536.58x = 128,268.16 × 29,382.34
  4. Step 4: Simplify right side
    85,536.58x = 3,768,818,688.29
  5. Step 5: Solve for x
    x = 3,768,818,688.29/85,536.58
  6. Step 6: Final answer
    x = 44,060.90

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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.