Home / 117,029.17-161,501.43-63,315.34

Finding the Fourth Proportional to 117,029.17, 161,501.43 and 63,315.34

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Solution

The fourth proportional to 117,029.17, 161,501.43 and 63,315.34 is: 87,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,029.17 : 161,501.43 = 63,315.34 : x
  2. Step 2: Convert to fraction form
    117,029.17/161,501.43 = 63,315.34/x
  3. Step 3: Cross multiply
    117,029.17x = 161,501.43 × 63,315.34
  4. Step 4: Simplify right side
    117,029.17x = 10,225,517,634.36
  5. Step 5: Solve for x
    x = 10,225,517,634.36/117,029.17
  6. Step 6: Final answer
    x = 87,375.80

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1.5x scale

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.