Home / 108,548.13-149,869.52-67,774.34

Finding the Fourth Proportional to 108,548.13, 149,869.52 and 67,774.34

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Solution

The fourth proportional to 108,548.13, 149,869.52 and 67,774.34 is: 93,574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,548.13 : 149,869.52 = 67,774.34 : x
  2. Step 2: Convert to fraction form
    108,548.13/149,869.52 = 67,774.34/x
  3. Step 3: Cross multiply
    108,548.13x = 149,869.52 × 67,774.34
  4. Step 4: Simplify right side
    108,548.13x = 10,157,308,348.23
  5. Step 5: Solve for x
    x = 10,157,308,348.23/108,548.13
  6. Step 6: Final answer
    x = 93,574.24

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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.