Home / 88,835.16-133,318.74-42,088.20

Finding the Fourth Proportional to 88,835.16, 133,318.74 and 42,088.20

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Solution

The fourth proportional to 88,835.16, 133,318.74 and 42,088.20 is: 63,163.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,835.16 : 133,318.74 = 42,088.20 : x
  2. Step 2: Convert to fraction form
    88,835.16/133,318.74 = 42,088.20/x
  3. Step 3: Cross multiply
    88,835.16x = 133,318.74 × 42,088.20
  4. Step 4: Simplify right side
    88,835.16x = 5,611,145,792.87
  5. Step 5: Solve for x
    x = 5,611,145,792.87/88,835.16
  6. Step 6: Final answer
    x = 63,163.57

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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.