Home / 81,814.60-112,898.26-46,009.80

Finding the Fourth Proportional to 81,814.60, 112,898.26 and 46,009.80

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Solution

The fourth proportional to 81,814.60, 112,898.26 and 46,009.80 is: 63,490.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,814.60 : 112,898.26 = 46,009.80 : x
  2. Step 2: Convert to fraction form
    81,814.60/112,898.26 = 46,009.80/x
  3. Step 3: Cross multiply
    81,814.60x = 112,898.26 × 46,009.80
  4. Step 4: Simplify right side
    81,814.60x = 5,194,426,362.95
  5. Step 5: Solve for x
    x = 5,194,426,362.95/81,814.60
  6. Step 6: Final answer
    x = 63,490.21

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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.