Home / 53,000.75-79,512.82-29,342.81

Finding the Fourth Proportional to 53,000.75, 79,512.82 and 29,342.81

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Solution

The fourth proportional to 53,000.75, 79,512.82 and 29,342.81 is: 44,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,000.75 : 79,512.82 = 29,342.81 : x
  2. Step 2: Convert to fraction form
    53,000.75/79,512.82 = 29,342.81/x
  3. Step 3: Cross multiply
    53,000.75x = 79,512.82 × 29,342.81
  4. Step 4: Simplify right side
    53,000.75x = 2,333,129,569.82
  5. Step 5: Solve for x
    x = 2,333,129,569.82/53,000.75
  6. Step 6: Final answer
    x = 44,020.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.