Home / 56,862.85-78,445.36-32,975.68

Finding the Fourth Proportional to 56,862.85, 78,445.36 and 32,975.68

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Solution

The fourth proportional to 56,862.85, 78,445.36 and 32,975.68 is: 45,491.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,862.85 : 78,445.36 = 32,975.68 : x
  2. Step 2: Convert to fraction form
    56,862.85/78,445.36 = 32,975.68/x
  3. Step 3: Cross multiply
    56,862.85x = 78,445.36 × 32,975.68
  4. Step 4: Simplify right side
    56,862.85x = 2,586,789,088.84
  5. Step 5: Solve for x
    x = 2,586,789,088.84/56,862.85
  6. Step 6: Final answer
    x = 45,491.72

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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.