Home / 58,787.42-81,079.70-38,664.96

Finding the Fourth Proportional to 58,787.42, 81,079.70 and 38,664.96

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Solution

The fourth proportional to 58,787.42, 81,079.70 and 38,664.96 is: 53,326.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,787.42 : 81,079.70 = 38,664.96 : x
  2. Step 2: Convert to fraction form
    58,787.42/81,079.70 = 38,664.96/x
  3. Step 3: Cross multiply
    58,787.42x = 81,079.70 × 38,664.96
  4. Step 4: Simplify right side
    58,787.42x = 3,134,943,357.31
  5. Step 5: Solve for x
    x = 3,134,943,357.31/58,787.42
  6. Step 6: Final answer
    x = 53,326.77

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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.