Home / 108,890.76-163,306.98-29,986.23

Finding the Fourth Proportional to 108,890.76, 163,306.98 and 29,986.23

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Solution

The fourth proportional to 108,890.76, 163,306.98 and 29,986.23 is: 44,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,890.76 : 163,306.98 = 29,986.23 : x
  2. Step 2: Convert to fraction form
    108,890.76/163,306.98 = 29,986.23/x
  3. Step 3: Cross multiply
    108,890.76x = 163,306.98 × 29,986.23
  4. Step 4: Simplify right side
    108,890.76x = 4,896,960,662.89
  5. Step 5: Solve for x
    x = 4,896,960,662.89/108,890.76
  6. Step 6: Final answer
    x = 44,971.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.