Home / 56,929.30-78,569.09-47,352.29

Finding the Fourth Proportional to 56,929.30, 78,569.09 and 47,352.29

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Solution

The fourth proportional to 56,929.30, 78,569.09 and 47,352.29 is: 65,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,929.30 : 78,569.09 = 47,352.29 : x
  2. Step 2: Convert to fraction form
    56,929.30/78,569.09 = 47,352.29/x
  3. Step 3: Cross multiply
    56,929.30x = 78,569.09 × 47,352.29
  4. Step 4: Simplify right side
    56,929.30x = 3,720,426,334.72
  5. Step 5: Solve for x
    x = 3,720,426,334.72/56,929.30
  6. Step 6: Final answer
    x = 65,351.70

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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.