Home / 82,681.03-114,154.55-63,526.56

Finding the Fourth Proportional to 82,681.03, 114,154.55 and 63,526.56

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Solution

The fourth proportional to 82,681.03, 114,154.55 and 63,526.56 is: 87,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,681.03 : 114,154.55 = 63,526.56 : x
  2. Step 2: Convert to fraction form
    82,681.03/114,154.55 = 63,526.56/x
  3. Step 3: Cross multiply
    82,681.03x = 114,154.55 × 63,526.56
  4. Step 4: Simplify right side
    82,681.03x = 7,251,845,869.85
  5. Step 5: Solve for x
    x = 7,251,845,869.85/82,681.03
  6. Step 6: Final answer
    x = 87,708.70

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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.