Home / 57,555.24-86,332.86-54,306.60

Finding the Fourth Proportional to 57,555.24, 86,332.86 and 54,306.60

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Solution

The fourth proportional to 57,555.24, 86,332.86 and 54,306.60 is: 81,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,555.24 : 86,332.86 = 54,306.60 : x
  2. Step 2: Convert to fraction form
    57,555.24/86,332.86 = 54,306.60/x
  3. Step 3: Cross multiply
    57,555.24x = 86,332.86 × 54,306.60
  4. Step 4: Simplify right side
    57,555.24x = 4,688,444,094.88
  5. Step 5: Solve for x
    x = 4,688,444,094.88/57,555.24
  6. Step 6: Final answer
    x = 81,459.90

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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.