Home / 108,073.27-149,140.54-62,762.39

Finding the Fourth Proportional to 108,073.27, 149,140.54 and 62,762.39

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Solution

The fourth proportional to 108,073.27, 149,140.54 and 62,762.39 is: 86,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,073.27 : 149,140.54 = 62,762.39 : x
  2. Step 2: Convert to fraction form
    108,073.27/149,140.54 = 62,762.39/x
  3. Step 3: Cross multiply
    108,073.27x = 149,140.54 × 62,762.39
  4. Step 4: Simplify right side
    108,073.27x = 9,360,416,736.29
  5. Step 5: Solve for x
    x = 9,360,416,736.29/108,073.27
  6. Step 6: Final answer
    x = 86,611.77

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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.