Home / 108,010.36-149,030.43-62,662.07

Finding the Fourth Proportional to 108,010.36, 149,030.43 and 62,662.07

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Solution

The fourth proportional to 108,010.36, 149,030.43 and 62,662.07 is: 86,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,010.36 : 149,030.43 = 62,662.07 : x
  2. Step 2: Convert to fraction form
    108,010.36/149,030.43 = 62,662.07/x
  3. Step 3: Cross multiply
    108,010.36x = 149,030.43 × 62,662.07
  4. Step 4: Simplify right side
    108,010.36x = 9,338,555,726.86
  5. Step 5: Solve for x
    x = 9,338,555,726.86/108,010.36
  6. Step 6: Final answer
    x = 86,459.81

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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.