Home / 117,776.40-162,534.11-64,064.29

Finding the Fourth Proportional to 117,776.40, 162,534.11 and 64,064.29

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Solution

The fourth proportional to 117,776.40, 162,534.11 and 64,064.29 is: 88,410.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,776.40 : 162,534.11 = 64,064.29 : x
  2. Step 2: Convert to fraction form
    117,776.40/162,534.11 = 64,064.29/x
  3. Step 3: Cross multiply
    117,776.40x = 162,534.11 × 64,064.29
  4. Step 4: Simplify right side
    117,776.40x = 10,412,631,631.28
  5. Step 5: Solve for x
    x = 10,412,631,631.28/117,776.40
  6. Step 6: Final answer
    x = 88,410.17

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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.