Home / 57,030.10-85,383.15-53,926.90

Finding the Fourth Proportional to 57,030.10, 85,383.15 and 53,926.90

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Solution

The fourth proportional to 57,030.10, 85,383.15 and 53,926.90 is: 80,737.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,030.10 : 85,383.15 = 53,926.90 : x
  2. Step 2: Convert to fraction form
    57,030.10/85,383.15 = 53,926.90/x
  3. Step 3: Cross multiply
    57,030.10x = 85,383.15 × 53,926.90
  4. Step 4: Simplify right side
    57,030.10x = 4,604,448,591.74
  5. Step 5: Solve for x
    x = 4,604,448,591.74/57,030.10
  6. Step 6: Final answer
    x = 80,737.16

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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.