Home / 88,728.96-133,056.48-36,102.72

Finding the Fourth Proportional to 88,728.96, 133,056.48 and 36,102.72

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Solution

The fourth proportional to 88,728.96, 133,056.48 and 36,102.72 is: 54,139.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,728.96 : 133,056.48 = 36,102.72 : x
  2. Step 2: Convert to fraction form
    88,728.96/133,056.48 = 36,102.72/x
  3. Step 3: Cross multiply
    88,728.96x = 133,056.48 × 36,102.72
  4. Step 4: Simplify right side
    88,728.96x = 4,803,700,841.63
  5. Step 5: Solve for x
    x = 4,803,700,841.63/88,728.96
  6. Step 6: Final answer
    x = 54,139.04

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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.