Home / 127,415.84-175,836.02-70,057.51

Finding the Fourth Proportional to 127,415.84, 175,836.02 and 70,057.51

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Solution

The fourth proportional to 127,415.84, 175,836.02 and 70,057.51 is: 96,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,415.84 : 175,836.02 = 70,057.51 : x
  2. Step 2: Convert to fraction form
    127,415.84/175,836.02 = 70,057.51/x
  3. Step 3: Cross multiply
    127,415.84x = 175,836.02 × 70,057.51
  4. Step 4: Simplify right side
    127,415.84x = 12,318,632,939.63
  5. Step 5: Solve for x
    x = 12,318,632,939.63/127,415.84
  6. Step 6: Final answer
    x = 96,680.55

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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.