Home / 55,293.18-76,305.74-31,094.61

Finding the Fourth Proportional to 55,293.18, 76,305.74 and 31,094.61

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Solution

The fourth proportional to 55,293.18, 76,305.74 and 31,094.61 is: 42,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,293.18 : 76,305.74 = 31,094.61 : x
  2. Step 2: Convert to fraction form
    55,293.18/76,305.74 = 31,094.61/x
  3. Step 3: Cross multiply
    55,293.18x = 76,305.74 × 31,094.61
  4. Step 4: Simplify right side
    55,293.18x = 2,372,697,070.59
  5. Step 5: Solve for x
    x = 2,372,697,070.59/55,293.18
  6. Step 6: Final answer
    x = 42,911.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.