Home / 108,539.57-149,785.05-63,248.63

Finding the Fourth Proportional to 108,539.57, 149,785.05 and 63,248.63

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Solution

The fourth proportional to 108,539.57, 149,785.05 and 63,248.63 is: 87,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,539.57 : 149,785.05 = 63,248.63 : x
  2. Step 2: Convert to fraction form
    108,539.57/149,785.05 = 63,248.63/x
  3. Step 3: Cross multiply
    108,539.57x = 149,785.05 × 63,248.63
  4. Step 4: Simplify right side
    108,539.57x = 9,473,699,206.98
  5. Step 5: Solve for x
    x = 9,473,699,206.98/108,539.57
  6. Step 6: Final answer
    x = 87,283.37

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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.