Home / 79,958.40-119,434.16-58,710.48

Finding the Fourth Proportional to 79,958.40, 119,434.16 and 58,710.48

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Solution

The fourth proportional to 79,958.40, 119,434.16 and 58,710.48 is: 87,696.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,958.40 : 119,434.16 = 58,710.48 : x
  2. Step 2: Convert to fraction form
    79,958.40/119,434.16 = 58,710.48/x
  3. Step 3: Cross multiply
    79,958.40x = 119,434.16 × 58,710.48
  4. Step 4: Simplify right side
    79,958.40x = 7,012,036,862.00
  5. Step 5: Solve for x
    x = 7,012,036,862.00/79,958.40
  6. Step 6: Final answer
    x = 87,696.06

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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.