Home / 58,857.09-81,235.68-38,715.96

Finding the Fourth Proportional to 58,857.09, 81,235.68 and 38,715.96

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Solution

The fourth proportional to 58,857.09, 81,235.68 and 38,715.96 is: 53,436.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,857.09 : 81,235.68 = 38,715.96 : x
  2. Step 2: Convert to fraction form
    58,857.09/81,235.68 = 38,715.96/x
  3. Step 3: Cross multiply
    58,857.09x = 81,235.68 × 38,715.96
  4. Step 4: Simplify right side
    58,857.09x = 3,145,117,337.45
  5. Step 5: Solve for x
    x = 3,145,117,337.45/58,857.09
  6. Step 6: Final answer
    x = 53,436.51

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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.