Home / 126,921.14-175,152.21-70,333.46

Finding the Fourth Proportional to 126,921.14, 175,152.21 and 70,333.46

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Solution

The fourth proportional to 126,921.14, 175,152.21 and 70,333.46 is: 97,060.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,921.14 : 175,152.21 = 70,333.46 : x
  2. Step 2: Convert to fraction form
    126,921.14/175,152.21 = 70,333.46/x
  3. Step 3: Cross multiply
    126,921.14x = 175,152.21 × 70,333.46
  4. Step 4: Simplify right side
    126,921.14x = 12,319,060,955.95
  5. Step 5: Solve for x
    x = 12,319,060,955.95/126,921.14
  6. Step 6: Final answer
    x = 97,060.75

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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.