Home / 67,771.40-93,557.58-45,123.80

Finding the Fourth Proportional to 67,771.40, 93,557.58 and 45,123.80

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Solution

The fourth proportional to 67,771.40, 93,557.58 and 45,123.80 is: 62,292.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,771.40 : 93,557.58 = 45,123.80 : x
  2. Step 2: Convert to fraction form
    67,771.40/93,557.58 = 45,123.80/x
  3. Step 3: Cross multiply
    67,771.40x = 93,557.58 × 45,123.80
  4. Step 4: Simplify right side
    67,771.40x = 4,221,673,528.40
  5. Step 5: Solve for x
    x = 4,221,673,528.40/67,771.40
  6. Step 6: Final answer
    x = 62,292.85

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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.