Home / 85,852.26-118,483.29-47,623.80

Finding the Fourth Proportional to 85,852.26, 118,483.29 and 47,623.80

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Solution

The fourth proportional to 85,852.26, 118,483.29 and 47,623.80 is: 65,724.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,852.26 : 118,483.29 = 47,623.80 : x
  2. Step 2: Convert to fraction form
    85,852.26/118,483.29 = 47,623.80/x
  3. Step 3: Cross multiply
    85,852.26x = 118,483.29 × 47,623.80
  4. Step 4: Simplify right side
    85,852.26x = 5,642,624,506.30
  5. Step 5: Solve for x
    x = 5,642,624,506.30/85,852.26
  6. Step 6: Final answer
    x = 65,724.82

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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.