Home / 88,943.15-133,090.73-65,615.15

Finding the Fourth Proportional to 88,943.15, 133,090.73 and 65,615.15

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Solution

The fourth proportional to 88,943.15, 133,090.73 and 65,615.15 is: 98,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,943.15 : 133,090.73 = 65,615.15 : x
  2. Step 2: Convert to fraction form
    88,943.15/133,090.73 = 65,615.15/x
  3. Step 3: Cross multiply
    88,943.15x = 133,090.73 × 65,615.15
  4. Step 4: Simplify right side
    88,943.15x = 8,732,767,884.48
  5. Step 5: Solve for x
    x = 8,732,767,884.48/88,943.15
  6. Step 6: Final answer
    x = 98,183.70

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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.