Home / 59,303.67-81,872.90-39,218.81

Finding the Fourth Proportional to 59,303.67, 81,872.90 and 39,218.81

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Solution

The fourth proportional to 59,303.67, 81,872.90 and 39,218.81 is: 54,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,303.67 : 81,872.90 = 39,218.81 : x
  2. Step 2: Convert to fraction form
    59,303.67/81,872.90 = 39,218.81/x
  3. Step 3: Cross multiply
    59,303.67x = 81,872.90 × 39,218.81
  4. Step 4: Simplify right side
    59,303.67x = 3,210,957,709.25
  5. Step 5: Solve for x
    x = 3,210,957,709.25/59,303.67
  6. Step 6: Final answer
    x = 54,144.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.