Home / 58,655.48-80,929.86-34,781

Finding the Fourth Proportional to 58,655.48, 80,929.86 and 34,781

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Solution

The fourth proportional to 58,655.48, 80,929.86 and 34,781 is: 47,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,655.48 : 80,929.86 = 34,781 : x
  2. Step 2: Convert to fraction form
    58,655.48/80,929.86 = 34,781/x
  3. Step 3: Cross multiply
    58,655.48x = 80,929.86 × 34,781
  4. Step 4: Simplify right side
    58,655.48x = 2,814,821,460.66
  5. Step 5: Solve for x
    x = 2,814,821,460.66/58,655.48
  6. Step 6: Final answer
    x = 47,989.06

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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.