Home / 67,778.40-93,567.24-45,130.80

Finding the Fourth Proportional to 67,778.40, 93,567.24 and 45,130.80

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Solution

The fourth proportional to 67,778.40, 93,567.24 and 45,130.80 is: 62,302.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,778.40 : 93,567.24 = 45,130.80 : x
  2. Step 2: Convert to fraction form
    67,778.40/93,567.24 = 45,130.80/x
  3. Step 3: Cross multiply
    67,778.40x = 93,567.24 × 45,130.80
  4. Step 4: Simplify right side
    67,778.40x = 4,222,764,394.99
  5. Step 5: Solve for x
    x = 4,222,764,394.99/67,778.40
  6. Step 6: Final answer
    x = 62,302.51

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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.