Home / 84,911.40-127,345.98-34,977.96

Finding the Fourth Proportional to 84,911.40, 127,345.98 and 34,977.96

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Solution

The fourth proportional to 84,911.40, 127,345.98 and 34,977.96 is: 52,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,911.40 : 127,345.98 = 34,977.96 : x
  2. Step 2: Convert to fraction form
    84,911.40/127,345.98 = 34,977.96/x
  3. Step 3: Cross multiply
    84,911.40x = 127,345.98 × 34,977.96
  4. Step 4: Simplify right side
    84,911.40x = 4,454,302,594.60
  5. Step 5: Solve for x
    x = 4,454,302,594.60/84,911.40
  6. Step 6: Final answer
    x = 52,458.24

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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.