Home / 56,573.32-78,073.14-31,425.16

Finding the Fourth Proportional to 56,573.32, 78,073.14 and 31,425.16

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Solution

The fourth proportional to 56,573.32, 78,073.14 and 31,425.16 is: 43,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,573.32 : 78,073.14 = 31,425.16 : x
  2. Step 2: Convert to fraction form
    56,573.32/78,073.14 = 31,425.16/x
  3. Step 3: Cross multiply
    56,573.32x = 78,073.14 × 31,425.16
  4. Step 4: Simplify right side
    56,573.32x = 2,453,460,916.20
  5. Step 5: Solve for x
    x = 2,453,460,916.20/56,573.32
  6. Step 6: Final answer
    x = 43,367.81

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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.