Home / 94,072.58-129,820.19-53,787.12

Finding the Fourth Proportional to 94,072.58, 129,820.19 and 53,787.12

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Solution

The fourth proportional to 94,072.58, 129,820.19 and 53,787.12 is: 74,226.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,072.58 : 129,820.19 = 53,787.12 : x
  2. Step 2: Convert to fraction form
    94,072.58/129,820.19 = 53,787.12/x
  3. Step 3: Cross multiply
    94,072.58x = 129,820.19 × 53,787.12
  4. Step 4: Simplify right side
    94,072.58x = 6,982,653,869.02
  5. Step 5: Solve for x
    x = 6,982,653,869.02/94,072.58
  6. Step 6: Final answer
    x = 74,226.24

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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.