Home / 57,035.08-78,711.40-34,381.26

Finding the Fourth Proportional to 57,035.08, 78,711.40 and 34,381.26

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Solution

The fourth proportional to 57,035.08, 78,711.40 and 34,381.26 is: 47,447.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,035.08 : 78,711.40 = 34,381.26 : x
  2. Step 2: Convert to fraction form
    57,035.08/78,711.40 = 34,381.26/x
  3. Step 3: Cross multiply
    57,035.08x = 78,711.40 × 34,381.26
  4. Step 4: Simplify right side
    57,035.08x = 2,706,197,108.36
  5. Step 5: Solve for x
    x = 2,706,197,108.36/57,035.08
  6. Step 6: Final answer
    x = 47,447.94

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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.