Home / 108,209.70-149,331.96-59,811.66

Finding the Fourth Proportional to 108,209.70, 149,331.96 and 59,811.66

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Solution

The fourth proportional to 108,209.70, 149,331.96 and 59,811.66 is: 82,541.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,209.70 : 149,331.96 = 59,811.66 : x
  2. Step 2: Convert to fraction form
    108,209.70/149,331.96 = 59,811.66/x
  3. Step 3: Cross multiply
    108,209.70x = 149,331.96 × 59,811.66
  4. Step 4: Simplify right side
    108,209.70x = 8,931,792,418.65
  5. Step 5: Solve for x
    x = 8,931,792,418.65/108,209.70
  6. Step 6: Final answer
    x = 82,541.51

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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.