Home / 67,750.08-93,428.82-51,658.62

Finding the Fourth Proportional to 67,750.08, 93,428.82 and 51,658.62

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Solution

The fourth proportional to 67,750.08, 93,428.82 and 51,658.62 is: 71,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,750.08 : 93,428.82 = 51,658.62 : x
  2. Step 2: Convert to fraction form
    67,750.08/93,428.82 = 51,658.62/x
  3. Step 3: Cross multiply
    67,750.08x = 93,428.82 × 51,658.62
  4. Step 4: Simplify right side
    67,750.08x = 4,826,403,909.43
  5. Step 5: Solve for x
    x = 4,826,403,909.43/67,750.08
  6. Step 6: Final answer
    x = 71,238.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.