Home / 85,646.03-118,205.52-58,766.36

Finding the Fourth Proportional to 85,646.03, 118,205.52 and 58,766.36

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Solution

The fourth proportional to 85,646.03, 118,205.52 and 58,766.36 is: 81,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,646.03 : 118,205.52 = 58,766.36 : x
  2. Step 2: Convert to fraction form
    85,646.03/118,205.52 = 58,766.36/x
  3. Step 3: Cross multiply
    85,646.03x = 118,205.52 × 58,766.36
  4. Step 4: Simplify right side
    85,646.03x = 6,946,508,142.31
  5. Step 5: Solve for x
    x = 6,946,508,142.31/85,646.03
  6. Step 6: Final answer
    x = 81,107.18

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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.