Home / 108,073.77-149,141.23-62,762.89

Finding the Fourth Proportional to 108,073.77, 149,141.23 and 62,762.89

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Solution

The fourth proportional to 108,073.77, 149,141.23 and 62,762.89 is: 86,612.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,073.77 : 149,141.23 = 62,762.89 : x
  2. Step 2: Convert to fraction form
    108,073.77/149,141.23 = 62,762.89/x
  3. Step 3: Cross multiply
    108,073.77x = 149,141.23 × 62,762.89
  4. Step 4: Simplify right side
    108,073.77x = 9,360,534,612.95
  5. Step 5: Solve for x
    x = 9,360,534,612.95/108,073.77
  6. Step 6: Final answer
    x = 86,612.46

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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.