Home / 117,127.06-161,635.41-63,412.09

Finding the Fourth Proportional to 117,127.06, 161,635.41 and 63,412.09

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Solution

The fourth proportional to 117,127.06, 161,635.41 and 63,412.09 is: 87,508.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,127.06 : 161,635.41 = 63,412.09 : x
  2. Step 2: Convert to fraction form
    117,127.06/161,635.41 = 63,412.09/x
  3. Step 3: Cross multiply
    117,127.06x = 161,635.41 × 63,412.09
  4. Step 4: Simplify right side
    117,127.06x = 10,249,639,166.11
  5. Step 5: Solve for x
    x = 10,249,639,166.11/117,127.06
  6. Step 6: Final answer
    x = 87,508.72

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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.