Home / 117,973.16-162,800.70-64,257.56

Finding the Fourth Proportional to 117,973.16, 162,800.70 and 64,257.56

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Solution

The fourth proportional to 117,973.16, 162,800.70 and 64,257.56 is: 88,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,973.16 : 162,800.70 = 64,257.56 : x
  2. Step 2: Convert to fraction form
    117,973.16/162,800.70 = 64,257.56/x
  3. Step 3: Cross multiply
    117,973.16x = 162,800.70 × 64,257.56
  4. Step 4: Simplify right side
    117,973.16x = 10,461,175,748.29
  5. Step 5: Solve for x
    x = 10,461,175,748.29/117,973.16
  6. Step 6: Final answer
    x = 88,674.20

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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.