Home / 127,447.17-175,881.60-70,090.88

Finding the Fourth Proportional to 127,447.17, 175,881.60 and 70,090.88

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Solution

The fourth proportional to 127,447.17, 175,881.60 and 70,090.88 is: 96,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,447.17 : 175,881.60 = 70,090.88 : x
  2. Step 2: Convert to fraction form
    127,447.17/175,881.60 = 70,090.88/x
  3. Step 3: Cross multiply
    127,447.17x = 175,881.60 × 70,090.88
  4. Step 4: Simplify right side
    127,447.17x = 12,327,695,240.40
  5. Step 5: Solve for x
    x = 12,327,695,240.40/127,447.17
  6. Step 6: Final answer
    x = 96,727.89

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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.