Home / 40,708.10-61,070.86-12,627.54

Finding the Fourth Proportional to 40,708.10, 61,070.86 and 12,627.54

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Solution

The fourth proportional to 40,708.10, 61,070.86 and 12,627.54 is: 18,944.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,708.10 : 61,070.86 = 12,627.54 : x
  2. Step 2: Convert to fraction form
    40,708.10/61,070.86 = 12,627.54/x
  3. Step 3: Cross multiply
    40,708.10x = 61,070.86 × 12,627.54
  4. Step 4: Simplify right side
    40,708.10x = 771,174,727.48
  5. Step 5: Solve for x
    x = 771,174,727.48/40,708.10
  6. Step 6: Final answer
    x = 18,944.01

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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.