Home / 88,829.40-133,071.30-53,664.60

Finding the Fourth Proportional to 88,829.40, 133,071.30 and 53,664.60

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Solution

The fourth proportional to 88,829.40, 133,071.30 and 53,664.60 is: 80,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,829.40 : 133,071.30 = 53,664.60 : x
  2. Step 2: Convert to fraction form
    88,829.40/133,071.30 = 53,664.60/x
  3. Step 3: Cross multiply
    88,829.40x = 133,071.30 × 53,664.60
  4. Step 4: Simplify right side
    88,829.40x = 7,141,218,085.98
  5. Step 5: Solve for x
    x = 7,141,218,085.98/88,829.40
  6. Step 6: Final answer
    x = 80,392.51

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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.