Home / 108,063.42-149,206.54-69,845.58

Finding the Fourth Proportional to 108,063.42, 149,206.54 and 69,845.58

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Solution

The fourth proportional to 108,063.42, 149,206.54 and 69,845.58 is: 96,437.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,063.42 : 149,206.54 = 69,845.58 : x
  2. Step 2: Convert to fraction form
    108,063.42/149,206.54 = 69,845.58/x
  3. Step 3: Cross multiply
    108,063.42x = 149,206.54 × 69,845.58
  4. Step 4: Simplify right side
    108,063.42x = 10,421,417,326.09
  5. Step 5: Solve for x
    x = 10,421,417,326.09/108,063.42
  6. Step 6: Final answer
    x = 96,437.97

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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.