Home / 57,645.35-85,894.96-51,357.05

Finding the Fourth Proportional to 57,645.35, 85,894.96 and 51,357.05

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Solution

The fourth proportional to 57,645.35, 85,894.96 and 51,357.05 is: 76,525.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,645.35 : 85,894.96 = 51,357.05 : x
  2. Step 2: Convert to fraction form
    57,645.35/85,894.96 = 51,357.05/x
  3. Step 3: Cross multiply
    57,645.35x = 85,894.96 × 51,357.05
  4. Step 4: Simplify right side
    57,645.35x = 4,411,311,446.64
  5. Step 5: Solve for x
    x = 4,411,311,446.64/57,645.35
  6. Step 6: Final answer
    x = 76,525.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.