Home / 108,555.93-149,818.23-62,617.32

Finding the Fourth Proportional to 108,555.93, 149,818.23 and 62,617.32

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Solution

The fourth proportional to 108,555.93, 149,818.23 and 62,617.32 is: 86,418.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,555.93 : 149,818.23 = 62,617.32 : x
  2. Step 2: Convert to fraction form
    108,555.93/149,818.23 = 62,617.32/x
  3. Step 3: Cross multiply
    108,555.93x = 149,818.23 × 62,617.32
  4. Step 4: Simplify right side
    108,555.93x = 9,381,216,049.74
  5. Step 5: Solve for x
    x = 9,381,216,049.74/108,555.93
  6. Step 6: Final answer
    x = 86,418.27

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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.