Home / 74,717.54-103,116.38-42,892.58

Finding the Fourth Proportional to 74,717.54, 103,116.38 and 42,892.58

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Solution

The fourth proportional to 74,717.54, 103,116.38 and 42,892.58 is: 59,195.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,717.54 : 103,116.38 = 42,892.58 : x
  2. Step 2: Convert to fraction form
    74,717.54/103,116.38 = 42,892.58/x
  3. Step 3: Cross multiply
    74,717.54x = 103,116.38 × 42,892.58
  4. Step 4: Simplify right side
    74,717.54x = 4,422,927,364.00
  5. Step 5: Solve for x
    x = 4,422,927,364.00/74,717.54
  6. Step 6: Final answer
    x = 59,195.31

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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.