Home / 88,875.20-133,096.80-47,230.40

Finding the Fourth Proportional to 88,875.20, 133,096.80 and 47,230.40

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Solution

The fourth proportional to 88,875.20, 133,096.80 and 47,230.40 is: 70,730.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,875.20 : 133,096.80 = 47,230.40 : x
  2. Step 2: Convert to fraction form
    88,875.20/133,096.80 = 47,230.40/x
  3. Step 3: Cross multiply
    88,875.20x = 133,096.80 × 47,230.40
  4. Step 4: Simplify right side
    88,875.20x = 6,286,215,102.72
  5. Step 5: Solve for x
    x = 6,286,215,102.72/88,875.20
  6. Step 6: Final answer
    x = 70,730.81

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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.