Home / 108,427.50-149,630.70-60,685.26

Finding the Fourth Proportional to 108,427.50, 149,630.70 and 60,685.26

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Solution

The fourth proportional to 108,427.50, 149,630.70 and 60,685.26 is: 83,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,427.50 : 149,630.70 = 60,685.26 : x
  2. Step 2: Convert to fraction form
    108,427.50/149,630.70 = 60,685.26/x
  3. Step 3: Cross multiply
    108,427.50x = 149,630.70 × 60,685.26
  4. Step 4: Simplify right side
    108,427.50x = 9,080,377,933.48
  5. Step 5: Solve for x
    x = 9,080,377,933.48/108,427.50
  6. Step 6: Final answer
    x = 83,746.08

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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.