Home / 86,043.33-118,735.65-47,805.30

Finding the Fourth Proportional to 86,043.33, 118,735.65 and 47,805.30

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Solution

The fourth proportional to 86,043.33, 118,735.65 and 47,805.30 is: 65,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,043.33 : 118,735.65 = 47,805.30 : x
  2. Step 2: Convert to fraction form
    86,043.33/118,735.65 = 47,805.30/x
  3. Step 3: Cross multiply
    86,043.33x = 118,735.65 × 47,805.30
  4. Step 4: Simplify right side
    86,043.33x = 5,676,193,368.95
  5. Step 5: Solve for x
    x = 5,676,193,368.95/86,043.33
  6. Step 6: Final answer
    x = 65,969.01

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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.