Home / 84,664.80-127,051.20-40,341.60

Finding the Fourth Proportional to 84,664.80, 127,051.20 and 40,341.60

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Solution

The fourth proportional to 84,664.80, 127,051.20 and 40,341.60 is: 60,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,664.80 : 127,051.20 = 40,341.60 : x
  2. Step 2: Convert to fraction form
    84,664.80/127,051.20 = 40,341.60/x
  3. Step 3: Cross multiply
    84,664.80x = 127,051.20 × 40,341.60
  4. Step 4: Simplify right side
    84,664.80x = 5,125,448,689.92
  5. Step 5: Solve for x
    x = 5,125,448,689.92/84,664.80
  6. Step 6: Final answer
    x = 60,538.13

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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.