Home / 55,775.18-83,662.89-39,209.24

Finding the Fourth Proportional to 55,775.18, 83,662.89 and 39,209.24

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Solution

The fourth proportional to 55,775.18, 83,662.89 and 39,209.24 is: 58,813.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775.18 : 83,662.89 = 39,209.24 : x
  2. Step 2: Convert to fraction form
    55,775.18/83,662.89 = 39,209.24/x
  3. Step 3: Cross multiply
    55,775.18x = 83,662.89 × 39,209.24
  4. Step 4: Simplify right side
    55,775.18x = 3,280,358,333.10
  5. Step 5: Solve for x
    x = 3,280,358,333.10/55,775.18
  6. Step 6: Final answer
    x = 58,813.94

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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.