Home / 82,538.18-113,647.65-64,461.92

Finding the Fourth Proportional to 82,538.18, 113,647.65 and 64,461.92

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Solution

The fourth proportional to 82,538.18, 113,647.65 and 64,461.92 is: 88,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,538.18 : 113,647.65 = 64,461.92 : x
  2. Step 2: Convert to fraction form
    82,538.18/113,647.65 = 64,461.92/x
  3. Step 3: Cross multiply
    82,538.18x = 113,647.65 × 64,461.92
  4. Step 4: Simplify right side
    82,538.18x = 7,325,946,248.34
  5. Step 5: Solve for x
    x = 7,325,946,248.34/82,538.18
  6. Step 6: Final answer
    x = 88,758.27

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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.