Home / 53,497.75-79,895.34-42,983.75

Finding the Fourth Proportional to 53,497.75, 79,895.34 and 42,983.75

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Solution

The fourth proportional to 53,497.75, 79,895.34 and 42,983.75 is: 64,193.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,497.75 : 79,895.34 = 42,983.75 : x
  2. Step 2: Convert to fraction form
    53,497.75/79,895.34 = 42,983.75/x
  3. Step 3: Cross multiply
    53,497.75x = 79,895.34 × 42,983.75
  4. Step 4: Simplify right side
    53,497.75x = 3,434,201,320.73
  5. Step 5: Solve for x
    x = 3,434,201,320.73/53,497.75
  6. Step 6: Final answer
    x = 64,193.38

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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.