Home / 76,070.34-104,988.06-44,256.78

Finding the Fourth Proportional to 76,070.34, 104,988.06 and 44,256.78

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Solution

The fourth proportional to 76,070.34, 104,988.06 and 44,256.78 is: 61,080.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,070.34 : 104,988.06 = 44,256.78 : x
  2. Step 2: Convert to fraction form
    76,070.34/104,988.06 = 44,256.78/x
  3. Step 3: Cross multiply
    76,070.34x = 104,988.06 × 44,256.78
  4. Step 4: Simplify right side
    76,070.34x = 4,646,433,474.05
  5. Step 5: Solve for x
    x = 4,646,433,474.05/76,070.34
  6. Step 6: Final answer
    x = 61,080.75

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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.