Home / 117,802.80-162,564.16-64,086.44

Finding the Fourth Proportional to 117,802.80, 162,564.16 and 64,086.44

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Solution

The fourth proportional to 117,802.80, 162,564.16 and 64,086.44 is: 88,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,802.80 : 162,564.16 = 64,086.44 : x
  2. Step 2: Convert to fraction form
    117,802.80/162,564.16 = 64,086.44/x
  3. Step 3: Cross multiply
    117,802.80x = 162,564.16 × 64,086.44
  4. Step 4: Simplify right side
    117,802.80x = 10,418,158,285.99
  5. Step 5: Solve for x
    x = 10,418,158,285.99/117,802.80
  6. Step 6: Final answer
    x = 88,437.27

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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.