Home / 84,977.00-127,465.80-38,175.20

Finding the Fourth Proportional to 84,977.00, 127,465.80 and 38,175.20

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Solution

The fourth proportional to 84,977.00, 127,465.80 and 38,175.20 is: 57,262.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,977.00 : 127,465.80 = 38,175.20 : x
  2. Step 2: Convert to fraction form
    84,977.00/127,465.80 = 38,175.20/x
  3. Step 3: Cross multiply
    84,977.00x = 127,465.80 × 38,175.20
  4. Step 4: Simplify right side
    84,977.00x = 4,866,031,579.96
  5. Step 5: Solve for x
    x = 4,866,031,579.96/84,977.00
  6. Step 6: Final answer
    x = 57,262.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.