Home / 57,063.96-78,748.74-31,569.93

Finding the Fourth Proportional to 57,063.96, 78,748.74 and 31,569.93

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Solution

The fourth proportional to 57,063.96, 78,748.74 and 31,569.93 is: 43,566.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,063.96 : 78,748.74 = 31,569.93 : x
  2. Step 2: Convert to fraction form
    57,063.96/78,748.74 = 31,569.93/x
  3. Step 3: Cross multiply
    57,063.96x = 78,748.74 × 31,569.93
  4. Step 4: Simplify right side
    57,063.96x = 2,486,092,209.39
  5. Step 5: Solve for x
    x = 2,486,092,209.39/57,063.96
  6. Step 6: Final answer
    x = 43,566.77

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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.