Home / 88,985.40-133,385.04-29,772.36

Finding the Fourth Proportional to 88,985.40, 133,385.04 and 29,772.36

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Solution

The fourth proportional to 88,985.40, 133,385.04 and 29,772.36 is: 44,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,985.40 : 133,385.04 = 29,772.36 : x
  2. Step 2: Convert to fraction form
    88,985.40/133,385.04 = 29,772.36/x
  3. Step 3: Cross multiply
    88,985.40x = 133,385.04 × 29,772.36
  4. Step 4: Simplify right side
    88,985.40x = 3,971,187,429.49
  5. Step 5: Solve for x
    x = 3,971,187,429.49/88,985.40
  6. Step 6: Final answer
    x = 44,627.40

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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.