Home / 88,728.28-133,063.86-29,548.06

Finding the Fourth Proportional to 88,728.28, 133,063.86 and 29,548.06

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Solution

The fourth proportional to 88,728.28, 133,063.86 and 29,548.06 is: 44,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,728.28 : 133,063.86 = 29,548.06 : x
  2. Step 2: Convert to fraction form
    88,728.28/133,063.86 = 29,548.06/x
  3. Step 3: Cross multiply
    88,728.28x = 133,063.86 × 29,548.06
  4. Step 4: Simplify right side
    88,728.28x = 3,931,778,919.11
  5. Step 5: Solve for x
    x = 3,931,778,919.11/88,728.28
  6. Step 6: Final answer
    x = 44,312.58

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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.