Home / 127,285.56-175,649.16-70,700.52

Finding the Fourth Proportional to 127,285.56, 175,649.16 and 70,700.52

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Solution

The fourth proportional to 127,285.56, 175,649.16 and 70,700.52 is: 97,563.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,285.56 : 175,649.16 = 70,700.52 : x
  2. Step 2: Convert to fraction form
    127,285.56/175,649.16 = 70,700.52/x
  3. Step 3: Cross multiply
    127,285.56x = 175,649.16 × 70,700.52
  4. Step 4: Simplify right side
    127,285.56x = 12,418,486,949.56
  5. Step 5: Solve for x
    x = 12,418,486,949.56/127,285.56
  6. Step 6: Final answer
    x = 97,563.99

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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.