Home / 108,659.04-149,920.56-62,707.04

Finding the Fourth Proportional to 108,659.04, 149,920.56 and 62,707.04

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Solution

The fourth proportional to 108,659.04, 149,920.56 and 62,707.04 is: 86,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,659.04 : 149,920.56 = 62,707.04 : x
  2. Step 2: Convert to fraction form
    108,659.04/149,920.56 = 62,707.04/x
  3. Step 3: Cross multiply
    108,659.04x = 149,920.56 × 62,707.04
  4. Step 4: Simplify right side
    108,659.04x = 9,401,074,552.74
  5. Step 5: Solve for x
    x = 9,401,074,552.74/108,659.04
  6. Step 6: Final answer
    x = 86,519.03

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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.