Home / 57,200.53-78,937.26-31,707.17

Finding the Fourth Proportional to 57,200.53, 78,937.26 and 31,707.17

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Solution

The fourth proportional to 57,200.53, 78,937.26 and 31,707.17 is: 43,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,200.53 : 78,937.26 = 31,707.17 : x
  2. Step 2: Convert to fraction form
    57,200.53/78,937.26 = 31,707.17/x
  3. Step 3: Cross multiply
    57,200.53x = 78,937.26 × 31,707.17
  4. Step 4: Simplify right side
    57,200.53x = 2,502,877,215.77
  5. Step 5: Solve for x
    x = 2,502,877,215.77/57,200.53
  6. Step 6: Final answer
    x = 43,756.19

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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.