Home / 79,390.36-119,114.62-57,228.76

Finding the Fourth Proportional to 79,390.36, 119,114.62 and 57,228.76

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Solution

The fourth proportional to 79,390.36, 119,114.62 and 57,228.76 is: 85,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,390.36 : 119,114.62 = 57,228.76 : x
  2. Step 2: Convert to fraction form
    79,390.36/119,114.62 = 57,228.76/x
  3. Step 3: Cross multiply
    79,390.36x = 119,114.62 × 57,228.76
  4. Step 4: Simplify right side
    79,390.36x = 6,816,782,000.47
  5. Step 5: Solve for x
    x = 6,816,782,000.47/79,390.36
  6. Step 6: Final answer
    x = 85,864.10

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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.