Home / 108,081.15-149,151.40-62,770.26

Finding the Fourth Proportional to 108,081.15, 149,151.40 and 62,770.26

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Solution

The fourth proportional to 108,081.15, 149,151.40 and 62,770.26 is: 86,622.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,081.15 : 149,151.40 = 62,770.26 : x
  2. Step 2: Convert to fraction form
    108,081.15/149,151.40 = 62,770.26/x
  3. Step 3: Cross multiply
    108,081.15x = 149,151.40 × 62,770.26
  4. Step 4: Simplify right side
    108,081.15x = 9,362,272,157.36
  5. Step 5: Solve for x
    x = 9,362,272,157.36/108,081.15
  6. Step 6: Final answer
    x = 86,622.62

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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.