Home / 107,526.69-148,394.63-64,508.05

Finding the Fourth Proportional to 107,526.69, 148,394.63 and 64,508.05

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Solution

The fourth proportional to 107,526.69, 148,394.63 and 64,508.05 is: 89,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,526.69 : 148,394.63 = 64,508.05 : x
  2. Step 2: Convert to fraction form
    107,526.69/148,394.63 = 64,508.05/x
  3. Step 3: Cross multiply
    107,526.69x = 148,394.63 × 64,508.05
  4. Step 4: Simplify right side
    107,526.69x = 9,572,647,723.82
  5. Step 5: Solve for x
    x = 9,572,647,723.82/107,526.69
  6. Step 6: Final answer
    x = 89,025.78

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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.