Home / 61,749.19-85,215.59-34,891.17

Finding the Fourth Proportional to 61,749.19, 85,215.59 and 34,891.17

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Solution

The fourth proportional to 61,749.19, 85,215.59 and 34,891.17 is: 48,150.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,749.19 : 85,215.59 = 34,891.17 : x
  2. Step 2: Convert to fraction form
    61,749.19/85,215.59 = 34,891.17/x
  3. Step 3: Cross multiply
    61,749.19x = 85,215.59 × 34,891.17
  4. Step 4: Simplify right side
    61,749.19x = 2,973,271,637.34
  5. Step 5: Solve for x
    x = 2,973,271,637.34/61,749.19
  6. Step 6: Final answer
    x = 48,150.78

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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.