Home / 114,945.67-172,423.37-40,073.32

Finding the Fourth Proportional to 114,945.67, 172,423.37 and 40,073.32

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Solution

The fourth proportional to 114,945.67, 172,423.37 and 40,073.32 is: 60,111.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,945.67 : 172,423.37 = 40,073.32 : x
  2. Step 2: Convert to fraction form
    114,945.67/172,423.37 = 40,073.32/x
  3. Step 3: Cross multiply
    114,945.67x = 172,423.37 × 40,073.32
  4. Step 4: Simplify right side
    114,945.67x = 6,909,576,881.49
  5. Step 5: Solve for x
    x = 6,909,576,881.49/114,945.67
  6. Step 6: Final answer
    x = 60,111.68

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1.5x scale

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.