Home / 117,776.30-162,532.38-64,062.40

Finding the Fourth Proportional to 117,776.30, 162,532.38 and 64,062.40

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Solution

The fourth proportional to 117,776.30, 162,532.38 and 64,062.40 is: 88,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,776.30 : 162,532.38 = 64,062.40 : x
  2. Step 2: Convert to fraction form
    117,776.30/162,532.38 = 64,062.40/x
  3. Step 3: Cross multiply
    117,776.30x = 162,532.38 × 64,062.40
  4. Step 4: Simplify right side
    117,776.30x = 10,412,214,340.51
  5. Step 5: Solve for x
    x = 10,412,214,340.51/117,776.30
  6. Step 6: Final answer
    x = 88,406.70

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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.