Home / 126,873.81-175,096.53-70,290.45

Finding the Fourth Proportional to 126,873.81, 175,096.53 and 70,290.45

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Solution

The fourth proportional to 126,873.81, 175,096.53 and 70,290.45 is: 97,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,873.81 : 175,096.53 = 70,290.45 : x
  2. Step 2: Convert to fraction form
    126,873.81/175,096.53 = 70,290.45/x
  3. Step 3: Cross multiply
    126,873.81x = 175,096.53 × 70,290.45
  4. Step 4: Simplify right side
    126,873.81x = 12,307,613,887.14
  5. Step 5: Solve for x
    x = 12,307,613,887.14/126,873.81
  6. Step 6: Final answer
    x = 97,006.73

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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.