Home / 57,029.72-78,681.51-34,360.16

Finding the Fourth Proportional to 57,029.72, 78,681.51 and 34,360.16

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Solution

The fourth proportional to 57,029.72, 78,681.51 and 34,360.16 is: 47,405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,029.72 : 78,681.51 = 34,360.16 : x
  2. Step 2: Convert to fraction form
    57,029.72/78,681.51 = 34,360.16/x
  3. Step 3: Cross multiply
    57,029.72x = 78,681.51 × 34,360.16
  4. Step 4: Simplify right side
    57,029.72x = 2,703,508,879.23
  5. Step 5: Solve for x
    x = 2,703,508,879.23/57,029.72
  6. Step 6: Final answer
    x = 47,405.27

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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.