Home / 85,817.70-118,435.42-47,589.22

Finding the Fourth Proportional to 85,817.70, 118,435.42 and 47,589.22

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Solution

The fourth proportional to 85,817.70, 118,435.42 and 47,589.22 is: 65,677.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,817.70 : 118,435.42 = 47,589.22 : x
  2. Step 2: Convert to fraction form
    85,817.70/118,435.42 = 47,589.22/x
  3. Step 3: Cross multiply
    85,817.70x = 118,435.42 × 47,589.22
  4. Step 4: Simplify right side
    85,817.70x = 5,636,249,198.01
  5. Step 5: Solve for x
    x = 5,636,249,198.01/85,817.70
  6. Step 6: Final answer
    x = 65,677.00

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1.5x scale

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.