Home / 61,116.09-84,340.10-34,258.59

Finding the Fourth Proportional to 61,116.09, 84,340.10 and 34,258.59

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Solution

The fourth proportional to 61,116.09, 84,340.10 and 34,258.59 is: 47,276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,116.09 : 84,340.10 = 34,258.59 : x
  2. Step 2: Convert to fraction form
    61,116.09/84,340.10 = 34,258.59/x
  3. Step 3: Cross multiply
    61,116.09x = 84,340.10 × 34,258.59
  4. Step 4: Simplify right side
    61,116.09x = 2,889,372,735.17
  5. Step 5: Solve for x
    x = 2,889,372,735.17/61,116.09
  6. Step 6: Final answer
    x = 47,276.79

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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.