Home / 56,573.76-78,074.26-31,423.26

Finding the Fourth Proportional to 56,573.76, 78,074.26 and 31,423.26

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Solution

The fourth proportional to 56,573.76, 78,074.26 and 31,423.26 is: 43,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,573.76 : 78,074.26 = 31,423.26 : x
  2. Step 2: Convert to fraction form
    56,573.76/78,074.26 = 31,423.26/x
  3. Step 3: Cross multiply
    56,573.76x = 78,074.26 × 31,423.26
  4. Step 4: Simplify right side
    56,573.76x = 2,453,347,771.29
  5. Step 5: Solve for x
    x = 2,453,347,771.29/56,573.76
  6. Step 6: Final answer
    x = 43,365.47

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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.