Home / 108,360.36-149,548.56-62,421.59

Finding the Fourth Proportional to 108,360.36, 149,548.56 and 62,421.59

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Solution

The fourth proportional to 108,360.36, 149,548.56 and 62,421.59 is: 86,148.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,360.36 : 149,548.56 = 62,421.59 : x
  2. Step 2: Convert to fraction form
    108,360.36/149,548.56 = 62,421.59/x
  3. Step 3: Cross multiply
    108,360.36x = 149,548.56 × 62,421.59
  4. Step 4: Simplify right side
    108,360.36x = 9,335,058,149.67
  5. Step 5: Solve for x
    x = 9,335,058,149.67/108,360.36
  6. Step 6: Final answer
    x = 86,148.28

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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.