Home / 63,030.20-86,981.69-34,349.87

Finding the Fourth Proportional to 63,030.20, 86,981.69 and 34,349.87

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Solution

The fourth proportional to 63,030.20, 86,981.69 and 34,349.87 is: 47,402.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,030.20 : 86,981.69 = 34,349.87 : x
  2. Step 2: Convert to fraction form
    63,030.20/86,981.69 = 34,349.87/x
  3. Step 3: Cross multiply
    63,030.20x = 86,981.69 × 34,349.87
  4. Step 4: Simplify right side
    63,030.20x = 2,987,809,394.85
  5. Step 5: Solve for x
    x = 2,987,809,394.85/63,030.20
  6. Step 6: Final answer
    x = 47,402.83

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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.