Home / 86,024.61-118,717.88-47,784.29

Finding the Fourth Proportional to 86,024.61, 118,717.88 and 47,784.29

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Solution

The fourth proportional to 86,024.61, 118,717.88 and 47,784.29 is: 65,944.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,024.61 : 118,717.88 = 47,784.29 : x
  2. Step 2: Convert to fraction form
    86,024.61/118,717.88 = 47,784.29/x
  3. Step 3: Cross multiply
    86,024.61x = 118,717.88 × 47,784.29
  4. Step 4: Simplify right side
    86,024.61x = 5,672,848,773.59
  5. Step 5: Solve for x
    x = 5,672,848,773.59/86,024.61
  6. Step 6: Final answer
    x = 65,944.49

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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.