Home / 63,029.89-86,980.08-34,349.78

Finding the Fourth Proportional to 63,029.89, 86,980.08 and 34,349.78

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Solution

The fourth proportional to 63,029.89, 86,980.08 and 34,349.78 is: 47,402.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,029.89 : 86,980.08 = 34,349.78 : x
  2. Step 2: Convert to fraction form
    63,029.89/86,980.08 = 34,349.78/x
  3. Step 3: Cross multiply
    63,029.89x = 86,980.08 × 34,349.78
  4. Step 4: Simplify right side
    63,029.89x = 2,987,746,829.83
  5. Step 5: Solve for x
    x = 2,987,746,829.83/63,029.89
  6. Step 6: Final answer
    x = 47,402.07

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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.