Home / 56,807.10-78,399.66-34,153.50

Finding the Fourth Proportional to 56,807.10, 78,399.66 and 34,153.50

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Solution

The fourth proportional to 56,807.10, 78,399.66 and 34,153.50 is: 47,135.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,807.10 : 78,399.66 = 34,153.50 : x
  2. Step 2: Convert to fraction form
    56,807.10/78,399.66 = 34,153.50/x
  3. Step 3: Cross multiply
    56,807.10x = 78,399.66 × 34,153.50
  4. Step 4: Simplify right side
    56,807.10x = 2,677,622,787.81
  5. Step 5: Solve for x
    x = 2,677,622,787.81/56,807.10
  6. Step 6: Final answer
    x = 47,135.35

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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.