Home / 117,477.17-162,118.65-63,762.19

Finding the Fourth Proportional to 117,477.17, 162,118.65 and 63,762.19

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Solution

The fourth proportional to 117,477.17, 162,118.65 and 63,762.19 is: 87,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,477.17 : 162,118.65 = 63,762.19 : x
  2. Step 2: Convert to fraction form
    117,477.17/162,118.65 = 63,762.19/x
  3. Step 3: Cross multiply
    117,477.17x = 162,118.65 × 63,762.19
  4. Step 4: Simplify right side
    117,477.17x = 10,337,039,907.99
  5. Step 5: Solve for x
    x = 10,337,039,907.99/117,477.17
  6. Step 6: Final answer
    x = 87,991.90

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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.