Home / 108,161.15-149,261.46-59,762.91

Finding the Fourth Proportional to 108,161.15, 149,261.46 and 59,762.91

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Solution

The fourth proportional to 108,161.15, 149,261.46 and 59,762.91 is: 82,472.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,161.15 : 149,261.46 = 59,762.91 : x
  2. Step 2: Convert to fraction form
    108,161.15/149,261.46 = 59,762.91/x
  3. Step 3: Cross multiply
    108,161.15x = 149,261.46 × 59,762.91
  4. Step 4: Simplify right side
    108,161.15x = 8,920,299,200.45
  5. Step 5: Solve for x
    x = 8,920,299,200.45/108,161.15
  6. Step 6: Final answer
    x = 82,472.31

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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.