Home / 57,423.52-85,622.12-57,311.20

Finding the Fourth Proportional to 57,423.52, 85,622.12 and 57,311.20

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Solution

The fourth proportional to 57,423.52, 85,622.12 and 57,311.20 is: 85,454.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,423.52 : 85,622.12 = 57,311.20 : x
  2. Step 2: Convert to fraction form
    57,423.52/85,622.12 = 57,311.20/x
  3. Step 3: Cross multiply
    57,423.52x = 85,622.12 × 57,311.20
  4. Step 4: Simplify right side
    57,423.52x = 4,907,106,443.74
  5. Step 5: Solve for x
    x = 4,907,106,443.74/57,423.52
  6. Step 6: Final answer
    x = 85,454.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.