Home / 85,829.64-118,444.86-47,589.21

Finding the Fourth Proportional to 85,829.64, 118,444.86 and 47,589.21

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Solution

The fourth proportional to 85,829.64, 118,444.86 and 47,589.21 is: 65,673.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,829.64 : 118,444.86 = 47,589.21 : x
  2. Step 2: Convert to fraction form
    85,829.64/118,444.86 = 47,589.21/x
  3. Step 3: Cross multiply
    85,829.64x = 118,444.86 × 47,589.21
  4. Step 4: Simplify right side
    85,829.64x = 5,636,697,315.96
  5. Step 5: Solve for x
    x = 5,636,697,315.96/85,829.64
  6. Step 6: Final answer
    x = 65,673.09

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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.