Home / 56,787.05-78,365.13-32,915.94

Finding the Fourth Proportional to 56,787.05, 78,365.13 and 32,915.94

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Solution

The fourth proportional to 56,787.05, 78,365.13 and 32,915.94 is: 45,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,787.05 : 78,365.13 = 32,915.94 : x
  2. Step 2: Convert to fraction form
    56,787.05/78,365.13 = 32,915.94/x
  3. Step 3: Cross multiply
    56,787.05x = 78,365.13 × 32,915.94
  4. Step 4: Simplify right side
    56,787.05x = 2,579,461,917.17
  5. Step 5: Solve for x
    x = 2,579,461,917.17/56,787.05
  6. Step 6: Final answer
    x = 45,423.42

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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.