Home / 82,537.62-113,646.88-64,461.36

Finding the Fourth Proportional to 82,537.62, 113,646.88 and 64,461.36

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Solution

The fourth proportional to 82,537.62, 113,646.88 and 64,461.36 is: 88,757.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,537.62 : 113,646.88 = 64,461.36 : x
  2. Step 2: Convert to fraction form
    82,537.62/113,646.88 = 64,461.36/x
  3. Step 3: Cross multiply
    82,537.62x = 113,646.88 × 64,461.36
  4. Step 4: Simplify right side
    82,537.62x = 7,325,832,283.40
  5. Step 5: Solve for x
    x = 7,325,832,283.40/82,537.62
  6. Step 6: Final answer
    x = 88,757.49

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1.5x scale

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.