Home / 57,423.20-86,043.84-44,307.68

Finding the Fourth Proportional to 57,423.20, 86,043.84 and 44,307.68

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Solution

The fourth proportional to 57,423.20, 86,043.84 and 44,307.68 is: 66,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,423.20 : 86,043.84 = 44,307.68 : x
  2. Step 2: Convert to fraction form
    57,423.20/86,043.84 = 44,307.68/x
  3. Step 3: Cross multiply
    57,423.20x = 86,043.84 × 44,307.68
  4. Step 4: Simplify right side
    57,423.20x = 3,812,402,928.69
  5. Step 5: Solve for x
    x = 3,812,402,928.69/57,423.20
  6. Step 6: Final answer
    x = 66,391.34

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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.