Home / 84,977.48-127,483.23-47,590.72

Finding the Fourth Proportional to 84,977.48, 127,483.23 and 47,590.72

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Solution

The fourth proportional to 84,977.48, 127,483.23 and 47,590.72 is: 71,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,977.48 : 127,483.23 = 47,590.72 : x
  2. Step 2: Convert to fraction form
    84,977.48/127,483.23 = 47,590.72/x
  3. Step 3: Cross multiply
    84,977.48x = 127,483.23 × 47,590.72
  4. Step 4: Simplify right side
    84,977.48x = 6,067,018,703.63
  5. Step 5: Solve for x
    x = 6,067,018,703.63/84,977.48
  6. Step 6: Final answer
    x = 71,395.61

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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.