Home / 82,534.74-113,642.91-64,458.48

Finding the Fourth Proportional to 82,534.74, 113,642.91 and 64,458.48

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Solution

The fourth proportional to 82,534.74, 113,642.91 and 64,458.48 is: 88,753.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,534.74 : 113,642.91 = 64,458.48 : x
  2. Step 2: Convert to fraction form
    82,534.74/113,642.91 = 64,458.48/x
  3. Step 3: Cross multiply
    82,534.74x = 113,642.91 × 64,458.48
  4. Step 4: Simplify right side
    82,534.74x = 7,325,249,241.38
  5. Step 5: Solve for x
    x = 7,325,249,241.38/82,534.74
  6. Step 6: Final answer
    x = 88,753.53

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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.