Home / 59,218.64-81,642.12-57,384.08

Finding the Fourth Proportional to 59,218.64, 81,642.12 and 57,384.08

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Solution

The fourth proportional to 59,218.64, 81,642.12 and 57,384.08 is: 79,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,218.64 : 81,642.12 = 57,384.08 : x
  2. Step 2: Convert to fraction form
    59,218.64/81,642.12 = 57,384.08/x
  3. Step 3: Cross multiply
    59,218.64x = 81,642.12 × 57,384.08
  4. Step 4: Simplify right side
    59,218.64x = 4,684,957,945.45
  5. Step 5: Solve for x
    x = 4,684,957,945.45/59,218.64
  6. Step 6: Final answer
    x = 79,112.89

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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.